23664983 has 4 divisors (see below), whose sum is σ = 23771328. Its totient is φ = 23558640.

The previous prime is 23664973. The next prime is 23665021. The reversal of 23664983 is 38946632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23664983 - 2⁴ = 23664967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23664983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23664943) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 52838 + ... + 53283.

It is an arithmetic number, because the mean of its divisors is an integer number (5942832).

Almost surely, 2^23664983 is an apocalyptic number.

23664983 is a deficient number, since it is larger than the sum of its proper divisors (106345).

23664983 is a wasteful number, since it uses less digits than its factorization.

23664983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106344.

The product of its digits is 186624, while the sum is 41.

The square root of 23664983 is about 4864.6667922891. Note that the first 3 decimals coincide. The cubic root of 23664983 is about 287.1014586230.

The spelling of 23664983 in words is "twenty-three million, six hundred sixty-four thousand, nine hundred eighty-three".