23631980 has 24 divisors (see below), whose sum is σ = 50122800. Its totient is φ = 9358400.

The previous prime is 23631967. The next prime is 23631997. The reversal of 23631980 is 8913632.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3830 + ... + 7869.

It is an arithmetic number, because the mean of its divisors is an integer number (2088450).

Almost surely, 2^23631980 is an apocalyptic number.

23631980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23631980 is an abundant number, since it is smaller than the sum of its proper divisors (26490820).

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

23631980 is a wasteful number, since it uses less digits than its factorization.

23631980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11809 (or 11807 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23631980 is about 4861.2734957005. The cubic root of 23631980 is about 286.9679333839.

The spelling of 23631980 in words is "twenty-three million, six hundred thirty-one thousand, nine hundred eighty".