23657632525 has 12 divisors (see below), whose sum is σ = 29888965332. Its totient is φ = 18569008640.

The previous prime is 23657632519. The next prime is 23657632549. The reversal of 23657632525 is 52523675632.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1098193321 + 22559439204 = 33139^2 + 150198^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23657632525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8926084 + ... + 8928733.

It is an arithmetic number, because the mean of its divisors is an integer number (2490747111).

Almost surely, 2^23657632525 is an apocalyptic number.

23657632525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23657632525 is a deficient number, since it is larger than the sum of its proper divisors (6231332807).

23657632525 is a wasteful number, since it uses less digits than its factorization.

23657632525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17854880 (or 17854875 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 46.

The spelling of 23657632525 in words is "twenty-three billion, six hundred fifty-seven million, six hundred thirty-two thousand, five hundred twenty-five".