23432980 has 24 divisors (see below), whose sum is σ = 49835520. Its totient is φ = 9253920.

The previous prime is 23432963. The next prime is 23432989. The reversal of 23432980 is 8923432.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432989) 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, 5836 + ... + 8995.

It is an arithmetic number, because the mean of its divisors is an integer number (2076480).

Almost surely, 2^23432980 is an apocalyptic number.

23432980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23432980 is an abundant number, since it is smaller than the sum of its proper divisors (26402540).

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

23432980 is a wasteful number, since it uses less digits than its factorization.

23432980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919 (or 14917 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23432980 is about 4840.7623366573. The cubic root of 23432980 is about 286.1601626258.

The spelling of 23432980 in words is "twenty-three million, four hundred thirty-two thousand, nine hundred eighty".