23966816 has 12 divisors (see below), whose sum is σ = 47184732. Its totient is φ = 11983392.

The previous prime is 23966807. The next prime is 23966819. The reversal of 23966816 is 61866932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23966819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374450 + ... + 374513.

It is an arithmetic number, because the mean of its divisors is an integer number (3932061).

Almost surely, 2^23966816 is an apocalyptic number.

It is an amenable number.

23966816 is a deficient number, since it is larger than the sum of its proper divisors (23217916).

23966816 is an equidigital number, since it uses as much as digits as its factorization.

23966816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748973 (or 748965 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 23966816 is about 4895.5914862251. The cubic root of 23966816 is about 288.3169093819.

The spelling of 23966816 in words is "twenty-three million, nine hundred sixty-six thousand, eight hundred sixteen".