23393923 has 24 divisors (see below), whose sum is σ = 28604880. Its totient is φ = 19051200.

The previous prime is 23393897. The next prime is 23393941. The reversal of 23393923 is 32939332.

It is not a de Polignac number, because 23393923 - 2⁵ = 23393891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23391923) 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 23 ways as a sum of consecutive naturals, for example, 143440 + ... + 143602.

It is an arithmetic number, because the mean of its divisors is an integer number (1191870).

Almost surely, 2^23393923 is an apocalyptic number.

23393923 is a deficient number, since it is larger than the sum of its proper divisors (5210957).

23393923 is a wasteful number, since it uses less digits than its factorization.

23393923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 300 counting only the distinct ones).

The product of its digits is 26244, while the sum is 34.

The square root of 23393923 is about 4836.7264756238. The cubic root of 23393923 is about 286.0010880686.

The spelling of 23393923 in words is "twenty-three million, three hundred ninety-three thousand, nine hundred twenty-three".