23152172 has 6 divisors (see below), whose sum is σ = 40516308. Its totient is φ = 11576084.

The previous prime is 23152163. The next prime is 23152183. The reversal of 23152172 is 27125132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2894018 + ... + 2894025.

It is an arithmetic number, because the mean of its divisors is an integer number (6752718).

Almost surely, 2^23152172 is an apocalyptic number.

It is an amenable number.

23152172 is a deficient number, since it is larger than the sum of its proper divisors (17364136).

23152172 is a wasteful number, since it uses less digits than its factorization.

23152172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788047 (or 5788045 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 23152172 is about 4811.6703960267. The cubic root of 23152172 is about 285.0125038117.

The spelling of 23152172 in words is "twenty-three million, one hundred fifty-two thousand, one hundred seventy-two".