23179680 has 72 divisors (see below), whose sum is σ = 79105572. Its totient is φ = 6180864.

The previous prime is 23179679. The next prime is 23179691. The reversal of 23179680 is 8697132.

It can be written as a sum of positive squares in 2 ways, for example, as 23155344 + 24336 = 4812^2 + 156^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6609 + ... + 9488.

Almost surely, 2^23179680 is an apocalyptic number.

23179680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23179680 is an abundant number, since it is smaller than the sum of its proper divisors (55925892).

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

23179680 is a wasteful number, since it uses less digits than its factorization.

23179680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118 (or 16107 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 23179680 is about 4814.5280142502. The cubic root of 23179680 is about 285.1253372995.

The spelling of 23179680 in words is "twenty-three million, one hundred seventy-nine thousand, six hundred eighty".