23329988 has 12 divisors (see below), whose sum is σ = 44539152. Its totient is φ = 10604520.

The previous prime is 23329979. The next prime is 23329991. The reversal of 23329988 is 88992332.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 530227 = 23329988 / (2 + 3 + 3 + 2 + 9 + 9 + 8 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265070 + ... + 265157.

It is an arithmetic number, because the mean of its divisors is an integer number (3711596).

Almost surely, 2^23329988 is an apocalyptic number.

It is an amenable number.

23329988 is a deficient number, since it is larger than the sum of its proper divisors (21209164).

23329988 is a wasteful number, since it uses less digits than its factorization.

23329988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530242 (or 530240 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 23329988 is about 4830.1126280864. The cubic root of 23329988 is about 285.7403057731.

The spelling of 23329988 in words is "twenty-three million, three hundred twenty-nine thousand, nine hundred eighty-eight".