23057343931 has 2 divisors, whose sum is σ = 23057343932. Its totient is φ = 23057343930.

The previous prime is 23057343913. The next prime is 23057343941. The reversal of 23057343931 is 13934375032.

Together with previous prime (23057343913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23057343931 - 2³³ = 14467409339 is a prime.

It is a super-2 number, since 2×23057343931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23057343941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528671965 + 11528671966.

It is an arithmetic number, because the mean of its divisors is an integer number (11528671966).

Almost surely, 2^23057343931 is an apocalyptic number.

23057343931 is a deficient number, since it is larger than the sum of its proper divisors (1).

23057343931 is an equidigital number, since it uses as much as digits as its factorization.

23057343931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 40.

The spelling of 23057343931 in words is "twenty-three billion, fifty-seven million, three hundred forty-three thousand, nine hundred thirty-one".