57234539231 has 2 divisors, whose sum is σ = 57234539232. Its totient is φ = 57234539230.

The previous prime is 57234539227. The next prime is 57234539261. The reversal of 57234539231 is 13293543275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57234539231 - 2² = 57234539227 is a prime.

It is a super-2 number, since 2×57234539231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57234539261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28617269615 + 28617269616.

It is an arithmetic number, because the mean of its divisors is an integer number (28617269616).

Almost surely, 2^57234539231 is an apocalyptic number.

57234539231 is a deficient number, since it is larger than the sum of its proper divisors (1).

57234539231 is an equidigital number, since it uses as much as digits as its factorization.

57234539231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 44.

The spelling of 57234539231 in words is "fifty-seven billion, two hundred thirty-four million, five hundred thirty-nine thousand, two hundred thirty-one".