23899816 has 8 divisors (see below), whose sum is σ = 44812170. Its totient is φ = 11949904.

The previous prime is 23899789. The next prime is 23899823. The reversal of 23899816 is 61899832.

It can be written as a sum of positive squares in only one way, i.e., 21808900 + 2090916 = 4670^2 + 1446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493731 + ... + 1493746.

Almost surely, 2^23899816 is an apocalyptic number.

It is an amenable number.

23899816 is a deficient number, since it is larger than the sum of its proper divisors (20912354).

23899816 is a wasteful number, since it uses less digits than its factorization.

23899816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987483 (or 2987479 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 23899816 is about 4888.7438059281. The cubic root of 23899816 is about 288.0479922593.

The spelling of 23899816 in words is "twenty-three million, eight hundred ninety-nine thousand, eight hundred sixteen".