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230123331130 = 257111937425123
BaseRepresentation
bin1101011001010001101…
…0110101111000111010
3210222222200122110101011
43112110122311320322
512232243033044010
6253414525344134
722424446016560
oct3262432657072
9728880573334
10230123331130
118965a691790
1238723a0804a
1318915106474
14b1d0a71a30
155ebcd10a8a
hex35946b5e3a

230123331130 has 128 divisors (see below), whose sum is σ = 558306846720. Its totient is φ = 66114973440.

The previous prime is 230123331121. The next prime is 230123331131. The reversal of 230123331130 is 31133321032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (230123331131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328749 + ... + 753871.

It is an arithmetic number, because the mean of its divisors is an integer number (4361772240).

Almost surely, 2230123331130 is an apocalyptic number.

230123331130 is an abundant number, since it is smaller than the sum of its proper divisors (328183515590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230123331130 is a wasteful number, since it uses less digits than its factorization.

230123331130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425204.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 230123331130 its reverse (31133321032), we get a palindrome (261256652162).

The spelling of 230123331130 in words is "two hundred thirty billion, one hundred twenty-three million, three hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 19 22 35 37 38 55 70 74 77 95 110 133 154 185 190 209 259 266 370 385 407 418 518 665 703 770 814 1045 1295 1330 1406 1463 2035 2090 2590 2849 2926 3515 4070 4921 5698 7030 7315 7733 9842 14245 14630 15466 24605 28490 38665 49210 54131 77330 108262 270655 425123 541310 850246 2125615 2975861 4251230 4676353 5951722 8077337 9352706 14879305 15729551 16154674 23381765 29758610 31459102 32734471 40386685 46763530 56541359 65468942 78647755 80773370 88850707 110106857 113082718 157295510 163672355 173025061 177701414 220213714 282706795 298861469 327344710 346050122 444253535 550534285 565413590 597722938 621954949 865125305 888507070 1101068570 1211175427 1243909898 1494307345 1730250610 2092030283 2422350854 2988614690 3109774745 3287476159 4184060566 6055877135 6219549490 6574952318 10460151415 12111754270 16437380795 20920302830 23012333113 32874761590 46024666226 115061665565 230123331130