23449872 has 20 divisors (see below), whose sum is σ = 60578960. Its totient is φ = 7816608.

The previous prime is 23449871. The next prime is 23449889. The reversal of 23449872 is 27894432.

It is a self number, because there is not a number n which added to its sum of digits gives 23449872.

It is not an unprimeable number, because it can be changed into a prime (23449871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244222 + ... + 244317.

It is an arithmetic number, because the mean of its divisors is an integer number (3028948).

Almost surely, 2^23449872 is an apocalyptic number.

It is an amenable number.

23449872 is an abundant number, since it is smaller than the sum of its proper divisors (37129088).

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

23449872 is a wasteful number, since it uses less digits than its factorization.

23449872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488550 (or 488544 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 23449872 is about 4842.5067888440. The cubic root of 23449872 is about 286.2289069969.

The spelling of 23449872 in words is "twenty-three million, four hundred forty-nine thousand, eight hundred seventy-two".