23044872 has 64 divisors (see below), whose sum is σ = 61387200. Its totient is φ = 7188480.

The previous prime is 23044871. The next prime is 23044883. The reversal of 23044872 is 27844032.

It is a super-2 number, since 2×23044872² = 1062132250992768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23044871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43972 + ... + 44492.

It is an arithmetic number, because the mean of its divisors is an integer number (959175).

Almost surely, 2^23044872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23044872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30693600).

23044872 is an abundant number, since it is smaller than the sum of its proper divisors (38342328).

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

23044872 is a wasteful number, since it uses less digits than its factorization.

23044872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 23044872 is about 4800.5074731741. The cubic root of 23044872 is about 284.5715198718.

The spelling of 23044872 in words is "twenty-three million, forty-four thousand, eight hundred seventy-two".