23855320 has 32 divisors (see below), whose sum is σ = 54820800. Its totient is φ = 9338368.

The previous prime is 23855311. The next prime is 23855323. The reversal of 23855320 is 2355832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23855323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (1713150).

Almost surely, 2^23855320 is an apocalyptic number.

23855320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23855320 is an abundant number, since it is smaller than the sum of its proper divisors (30965480).

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

23855320 is a wasteful number, since it uses less digits than its factorization.

23855320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747 (or 12743 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 23855320 is about 4884.1908234630. The cubic root of 23855320 is about 287.8691213453.

The spelling of 23855320 in words is "twenty-three million, eight hundred fifty-five thousand, three hundred twenty".