23257976537 has 2 divisors, whose sum is σ = 23257976538. Its totient is φ = 23257976536.

The previous prime is 23257976527. The next prime is 23257976549. The reversal of 23257976537 is 73567975232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21095819536 + 2162157001 = 145244^2 + 46499^2 .

It is a cyclic number.

It is not a de Polignac number, because 23257976537 - 2¹⁴ = 23257960153 is a prime.

It is not a weakly prime, because it can be changed into another prime (23257976527) 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, 11628988268 + 11628988269.

It is an arithmetic number, because the mean of its divisors is an integer number (11628988269).

Almost surely, 2^23257976537 is an apocalyptic number.

It is an amenable number.

23257976537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23257976537 is an equidigital number, since it uses as much as digits as its factorization.

23257976537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16669800, while the sum is 56.

The spelling of 23257976537 in words is "twenty-three billion, two hundred fifty-seven million, nine hundred seventy-six thousand, five hundred thirty-seven".