23485820 has 24 divisors (see below), whose sum is σ = 49424928. Its totient is φ = 9374400.

The previous prime is 23485799. The next prime is 23485859. The reversal of 23485820 is 2858432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11690 + ... + 13550.

It is an arithmetic number, because the mean of its divisors is an integer number (2059372).

Almost surely, 2^23485820 is an apocalyptic number.

23485820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23485820 is an abundant number, since it is smaller than the sum of its proper divisors (25939108).

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

23485820 is a wasteful number, since it uses less digits than its factorization.

23485820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2499 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 23485820 is about 4846.2170813945. The cubic root of 23485820 is about 286.3750926344.

The spelling of 23485820 in words is "twenty-three million, four hundred eighty-five thousand, eight hundred twenty".