23440880 has 40 divisors (see below), whose sum is σ = 55204800. Its totient is φ = 9255168.

The previous prime is 23440873. The next prime is 23440913. The reversal of 23440880 is 8804432.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4466 + ... + 8174.

It is an arithmetic number, because the mean of its divisors is an integer number (1380120).

Almost surely, 2^23440880 is an apocalyptic number.

23440880 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 23440880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27602400).

23440880 is an abundant number, since it is smaller than the sum of its proper divisors (31763920).

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

23440880 is a wasteful number, since it uses less digits than its factorization.

23440880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801 (or 3795 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 23440880 is about 4841.5782550734. The cubic root of 23440880 is about 286.1923168985.

It can be divided in two parts, 234 and 40880, that added together give a palindrome (41114).

The spelling of 23440880 in words is "twenty-three million, four hundred forty thousand, eight hundred eighty".