23928880 has 40 divisors (see below), whose sum is σ = 56148192. Its totient is φ = 9483264.

The previous prime is 23928859. The next prime is 23928887. The reversal of 23928880 is 8882932.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (23928887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7717 + ... + 10363.

Almost surely, 2^23928880 is an apocalyptic number.

23928880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23928880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28074096).

23928880 is an abundant number, since it is smaller than the sum of its proper divisors (32219312).

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

23928880 is a wasteful number, since it uses less digits than its factorization.

23928880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 23928880 is about 4891.7154455262. The cubic root of 23928880 is about 288.1647077401.

The spelling of 23928880 in words is "twenty-three million, nine hundred twenty-eight thousand, eight hundred eighty".