23534172 has 24 divisors (see below), whose sum is σ = 61014800. Its totient is φ = 7844688.

The previous prime is 23534149. The next prime is 23534207. The reversal of 23534172 is 27143532.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 108847 + ... + 109062.

Almost surely, 2^23534172 is an apocalyptic number.

It is an amenable number.

23534172 is an abundant number, since it is smaller than the sum of its proper divisors (37480628).

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

23534172 is a wasteful number, since it uses less digits than its factorization.

23534172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217922 (or 217914 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 23534172 is about 4851.2031497351. The cubic root of 23534172 is about 286.5714851363.

The spelling of 23534172 in words is "twenty-three million, five hundred thirty-four thousand, one hundred seventy-two".