23331680 has 24 divisors (see below), whose sum is σ = 55121472. Its totient is φ = 9332608.

The previous prime is 23331673. The next prime is 23331691. The reversal of 23331680 is 8613332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72752 + ... + 73071.

It is an arithmetic number, because the mean of its divisors is an integer number (2296728).

Almost surely, 2^23331680 is an apocalyptic number.

23331680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23331680 is an abundant number, since it is smaller than the sum of its proper divisors (31789792).

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

23331680 is a wasteful number, since it uses less digits than its factorization.

23331680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145838 (or 145830 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23331680 is about 4830.2877761061. The cubic root of 23331680 is about 285.7472133479.

It can be divided in two parts, 233 and 31680, that added together give a palindrome (31913).

The spelling of 23331680 in words is "twenty-three million, three hundred thirty-one thousand, six hundred eighty".