23431546057 has 2 divisors, whose sum is σ = 23431546058. Its totient is φ = 23431546056.

The previous prime is 23431546049. The next prime is 23431546087. The reversal of 23431546057 is 75064513432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16788644041 + 6642902016 = 129571^2 + 81504^2 .

It is a cyclic number.

It is not a de Polignac number, because 23431546057 - 2³ = 23431546049 is a prime.

It is not a weakly prime, because it can be changed into another prime (23431546007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715773028 + 11715773029.

It is an arithmetic number, because the mean of its divisors is an integer number (11715773029).

Almost surely, 2^23431546057 is an apocalyptic number.

It is an amenable number.

23431546057 is a deficient number, since it is larger than the sum of its proper divisors (1).

23431546057 is an equidigital number, since it uses as much as digits as its factorization.

23431546057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 23431546057 in words is "twenty-three billion, four hundred thirty-one million, five hundred forty-six thousand, fifty-seven".