23365939 has 12 divisors (see below), whose sum is σ = 24999624. Its totient is φ = 21833984.

The previous prime is 23365919. The next prime is 23365943. The reversal of 23365939 is 93956332.

It is not a de Polignac number, because 23365939 - 2²¹ = 21268787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23365919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67164 + ... + 67510.

It is an arithmetic number, because the mean of its divisors is an integer number (2083302).

Almost surely, 2^23365939 is an apocalyptic number.

23365939 is a deficient number, since it is larger than the sum of its proper divisors (1633685).

23365939 is a wasteful number, since it uses less digits than its factorization.

23365939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 597 counting only the distinct ones).

The product of its digits is 131220, while the sum is 40.

The square root of 23365939 is about 4833.8327443138. The cubic root of 23365939 is about 285.8870036283.

The spelling of 23365939 in words is "twenty-three million, three hundred sixty-five thousand, nine hundred thirty-nine".