23853920 has 24 divisors (see below), whose sum is σ = 56355264. Its totient is φ = 9541504.

The previous prime is 23853917. The next prime is 23853959. The reversal of 23853920 is 2935832.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74384 + ... + 74703.

It is an arithmetic number, because the mean of its divisors is an integer number (2348136).

Almost surely, 2^23853920 is an apocalyptic number.

23853920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23853920 is an abundant number, since it is smaller than the sum of its proper divisors (32501344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23853920 is a wasteful number, since it uses less digits than its factorization.

23853920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149102 (or 149094 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 23853920 is about 4884.0475018165. The cubic root of 23853920 is about 287.8634898320.

The spelling of 23853920 in words is "twenty-three million, eight hundred fifty-three thousand, nine hundred twenty".