23638125 has 40 divisors (see below), whose sum is σ = 45035584. Its totient is φ = 10800000.

The previous prime is 23638123. The next prime is 23638163. The reversal of 23638125 is 52183632.

It is not a de Polignac number, because 23638125 - 2¹ = 23638123 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23638092 and 23638101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23638123) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12225 + ... + 14025.

Almost surely, 2^23638125 is an apocalyptic number.

23638125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23638125 is a deficient number, since it is larger than the sum of its proper divisors (21397459).

23638125 is an equidigital number, since it uses as much as digits as its factorization.

23638125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1816 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 23638125 is about 4861.9054906487. The cubic root of 23638125 is about 286.9928045560.

The spelling of 23638125 in words is "twenty-three million, six hundred thirty-eight thousand, one hundred twenty-five".