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123112143011369 is a prime number
BaseRepresentation
bin11011111111100001000111…
…100011010011111000101001
3121010220101221220220112201002
4123333201013203103320221
5112114032132102330434
61113500534314204345
734634362446255251
oct3377410743237051
9533811856815632
10123112143011369
1136255626226176
1211983b5b7236b5
13539056b423a25
1422589339d0961
15e376691a357e
hex6ff8478d3e29

123112143011369 has 2 divisors, whose sum is σ = 123112143011370. Its totient is φ = 123112143011368.

The previous prime is 123112143011267. The next prime is 123112143011413. The reversal of 123112143011369 is 963110341211321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123046063167769 + 66079843600 = 11092613^2 + 257060^2 .

It is a cyclic number.

It is not a de Polignac number, because 123112143011369 - 240 = 122012631383593 is a prime.

It is a super-2 number, since 2×1231121430113692 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123112146011369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61556071505684 + 61556071505685.

It is an arithmetic number, because the mean of its divisors is an integer number (61556071505685).

Almost surely, 2123112143011369 is an apocalyptic number.

It is an amenable number.

123112143011369 is a deficient number, since it is larger than the sum of its proper divisors (1).

123112143011369 is an equidigital number, since it uses as much as digits as its factorization.

123112143011369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 123112143011369 in words is "one hundred twenty-three trillion, one hundred twelve billion, one hundred forty-three million, eleven thousand, three hundred sixty-nine".