23428700 has 18 divisors (see below), whose sum is σ = 50840496. Its totient is φ = 9371440.

The previous prime is 23428673. The next prime is 23428739. The reversal of 23428700 is 782432.

It is a self number, because there is not a number n which added to its sum of digits gives 23428700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117044 + ... + 117243.

It is an arithmetic number, because the mean of its divisors is an integer number (2824472).

Almost surely, 2^23428700 is an apocalyptic number.

23428700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23428700 is an abundant number, since it is smaller than the sum of its proper divisors (27411796).

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

23428700 is a wasteful number, since it uses less digits than its factorization.

23428700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234301 (or 234294 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 23428700 is about 4840.3202373397. The cubic root of 23428700 is about 286.1427393180.

The spelling of 23428700 in words is "twenty-three million, four hundred twenty-eight thousand, seven hundred".