23257974529 has 2 divisors, whose sum is σ = 23257974530. Its totient is φ = 23257974528.

The previous prime is 23257974521. The next prime is 23257974541. The reversal of 23257974529 is 92547975232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22581974529 + 676000000 = 150273^2 + 26000^2 .

It is a cyclic number.

It is not a de Polignac number, because 23257974529 - 2³ = 23257974521 is a prime.

It is a super-2 number, since 2×23257974529² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23257974529.

It is not a weakly prime, because it can be changed into another prime (23257974521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11628987264 + 11628987265.

It is an arithmetic number, because the mean of its divisors is an integer number (11628987265).

Almost surely, 2^23257974529 is an apocalyptic number.

It is an amenable number.

23257974529 is a deficient number, since it is larger than the sum of its proper divisors (1).

23257974529 is an equidigital number, since it uses as much as digits as its factorization.

23257974529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 55.

The spelling of 23257974529 in words is "twenty-three billion, two hundred fifty-seven million, nine hundred seventy-four thousand, five hundred twenty-nine".