23525436 has 24 divisors (see below), whose sum is σ = 59883264. Its totient is φ = 7128880.

The previous prime is 23525423. The next prime is 23525449. The reversal of 23525436 is 63452532.

It is an interprime number because it is at equal distance from previous prime (23525423) and next prime (23525449).

It is a super-2 number, since 2×23525436² = 1106892277980192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88980 + ... + 89243.

It is an arithmetic number, because the mean of its divisors is an integer number (2495136).

Almost surely, 2^23525436 is an apocalyptic number.

It is an amenable number.

23525436 is an abundant number, since it is smaller than the sum of its proper divisors (36357828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23525436 is a wasteful number, since it uses less digits than its factorization.

23525436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178241 (or 178239 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 23525436 is about 4850.3026709681. The cubic root of 23525436 is about 286.5360218346.

Adding to 23525436 its reverse (63452532), we get a palindrome (86977968).

The spelling of 23525436 in words is "twenty-three million, five hundred twenty-five thousand, four hundred thirty-six".