23486638525 has 24 divisors (see below), whose sum is σ = 33293833344. Its totient is φ = 16100328000.

The previous prime is 23486638517. The next prime is 23486638543. The reversal of 23486638525 is 52583668432.

It is not a de Polignac number, because 23486638525 - 2³ = 23486638517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629544 + ... + 665806.

It is an arithmetic number, because the mean of its divisors is an integer number (1387243056).

Almost surely, 2^23486638525 is an apocalyptic number.

23486638525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23486638525 is a deficient number, since it is larger than the sum of its proper divisors (9807194819).

23486638525 is a wasteful number, since it uses less digits than its factorization.

23486638525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39981 (or 39976 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The spelling of 23486638525 in words is "twenty-three billion, four hundred eighty-six million, six hundred thirty-eight thousand, five hundred twenty-five".