23804939 has 4 divisors (see below), whose sum is σ = 23936640. Its totient is φ = 23673240.

The previous prime is 23804933. The next prime is 23804971. The reversal of 23804939 is 93940832.

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 23804939 - 2⁴ = 23804923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23804933) 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, 65579 + ... + 65940.

It is an arithmetic number, because the mean of its divisors is an integer number (5984160).

Almost surely, 2^23804939 is an apocalyptic number.

23804939 is a deficient number, since it is larger than the sum of its proper divisors (131701).

23804939 is a wasteful number, since it uses less digits than its factorization.

23804939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131700.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 23804939 is about 4879.0305389493. The cubic root of 23804939 is about 287.6663244274. Note that the first 3 decimals are identical.

The spelling of 23804939 in words is "twenty-three million, eight hundred four thousand, nine hundred thirty-nine".