23716939 has 4 divisors (see below), whose sum is σ = 23736240. Its totient is φ = 23697640.

The previous prime is 23716919. The next prime is 23716967. The reversal of 23716939 is 93961732.

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 23716939 - 2⁵ = 23716907 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23716909) 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, 7672 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (5934060).

Almost surely, 2^23716939 is an apocalyptic number.

23716939 is a deficient number, since it is larger than the sum of its proper divisors (19301).

23716939 is a wasteful number, since it uses less digits than its factorization.

23716939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300.

The product of its digits is 61236, while the sum is 40.

The square root of 23716939 is about 4870.0040041051. The cubic root of 23716939 is about 287.3114135633.

The spelling of 23716939 in words is "twenty-three million, seven hundred sixteen thousand, nine hundred thirty-nine".