23231980 has 12 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 9292784.

The previous prime is 23231969. The next prime is 23231993. The reversal of 23231980 is 8913232.

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, 580780 + ... + 580819.

It is an arithmetic number, because the mean of its divisors is an integer number (4065600).

Almost surely, 2^23231980 is an apocalyptic number.

23231980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231980 is an abundant number, since it is smaller than the sum of its proper divisors (25555220).

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

23231980 is a wasteful number, since it uses less digits than its factorization.

23231980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161608 (or 1161606 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23231980 is about 4819.9564313384. The cubic root of 23231980 is about 285.3396177079.

The spelling of 23231980 in words is "twenty-three million, two hundred thirty-one thousand, nine hundred eighty".