23328660 has 48 divisors (see below), whose sum is σ = 65592576. Its totient is φ = 6195072.

The previous prime is 23328653. The next prime is 23328689. The reversal of 23328660 is 6682332.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16917 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (1366512).

Almost surely, 2^23328660 is an apocalyptic number.

23328660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23328660 is an abundant number, since it is smaller than the sum of its proper divisors (42263916).

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

23328660 is a wasteful number, since it uses less digits than its factorization.

23328660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 23328660 is about 4829.9751552156. The cubic root of 23328660 is about 285.7348839911.

The spelling of 23328660 in words is "twenty-three million, three hundred twenty-eight thousand, six hundred sixty".