23728944 has 20 divisors (see below), whose sum is σ = 61299896. Its totient is φ = 7909632.

The previous prime is 23728927. The next prime is 23728949. The reversal of 23728944 is 44982732.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23728949) 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, 247129 + ... + 247224.

Almost surely, 2^23728944 is an apocalyptic number.

23728944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23728944 is an abundant number, since it is smaller than the sum of its proper divisors (37570952).

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

23728944 is a wasteful number, since it uses less digits than its factorization.

23728944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494364 (or 494358 counting only the distinct ones).

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

The square root of 23728944 is about 4871.2363933605. The cubic root of 23728944 is about 287.3598823211.

The spelling of 23728944 in words is "twenty-three million, seven hundred twenty-eight thousand, nine hundred forty-four".