Search a number
-
+
1023451123 is a prime number
BaseRepresentation
bin111101000000001…
…001111111110011
32122022210201000011
4331000021333303
54044000413443
6245320035351
734235122342
oct7500117763
92568721004
101023451123
11485790a82
12246902b57
1313405b3a6
1499cd3b59
155ecb4b9d
hex3d009ff3

1023451123 has 2 divisors, whose sum is σ = 1023451124. Its totient is φ = 1023451122.

The previous prime is 1023451109. The next prime is 1023451133. The reversal of 1023451123 is 3211543201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1023451123 is a prime.

It is a super-2 number, since 2×10234511232 = 2094904402339922258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023451094 and 1023451103.

It is not a weakly prime, because it can be changed into another prime (1023451133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511725561 + 511725562.

It is an arithmetic number, because the mean of its divisors is an integer number (511725562).

Almost surely, 21023451123 is an apocalyptic number.

1023451123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023451123 is an equidigital number, since it uses as much as digits as its factorization.

1023451123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1023451123 is about 31991.4226473285. The cubic root of 1023451123 is about 1007.7567187489.

Adding to 1023451123 its reverse (3211543201), we get a palindrome (4234994324).

The spelling of 1023451123 in words is "one billion, twenty-three million, four hundred fifty-one thousand, one hundred twenty-three".