23998072 has 32 divisors (see below), whose sum is σ = 51811200. Its totient is φ = 10207584.

The previous prime is 23998069. The next prime is 23998081. The reversal of 23998072 is 27089932.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6243 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (1619100).

Almost surely, 2^23998072 is an apocalyptic number.

It is an amenable number.

23998072 is an abundant number, since it is smaller than the sum of its proper divisors (27813128).

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

23998072 is a wasteful number, since it uses less digits than its factorization.

23998072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235 (or 3231 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 23998072 is about 4898.7827059383. The cubic root of 23998072 is about 288.4421898069.

The spelling of 23998072 in words is "twenty-three million, nine hundred ninety-eight thousand, seventy-two".