23939152 has 20 divisors (see below), whose sum is σ = 47982420. Its totient is φ = 11556608.

The previous prime is 23939147. The next prime is 23939173. The reversal of 23939152 is 25193932.

It can be written as a sum of positive squares in 2 ways, for example, as 20034576 + 3904576 = 4476^2 + 1976^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25333 + ... + 26260.

It is an arithmetic number, because the mean of its divisors is an integer number (2399121).

Almost surely, 2^23939152 is an apocalyptic number.

It is an amenable number.

23939152 is an abundant number, since it is smaller than the sum of its proper divisors (24043268).

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

23939152 is a wasteful number, since it uses less digits than its factorization.

23939152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51630 (or 51624 counting only the distinct ones).

The product of its digits is 14580, while the sum is 34.

The square root of 23939152 is about 4892.7652712960. The cubic root of 23939152 is about 288.2059355288.

The spelling of 23939152 in words is "twenty-three million, nine hundred thirty-nine thousand, one hundred fifty-two".