23998788 has 48 divisors (see below), whose sum is σ = 67878720. Its totient is φ = 7272000.

The previous prime is 23998783. The next prime is 23998789. The reversal of 23998788 is 88789932.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (23998783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8913 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (1414140).

Almost surely, 2^23998788 is an apocalyptic number.

It is an amenable number.

23998788 is an abundant number, since it is smaller than the sum of its proper divisors (43879932).

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

23998788 is a wasteful number, since it uses less digits than its factorization.

23998788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20225 (or 20217 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 23998788 is about 4898.8557847726. The cubic root of 23998788 is about 288.4450584062.

The spelling of 23998788 in words is "twenty-three million, nine hundred ninety-eight thousand, seven hundred eighty-eight".