23993628 has 24 divisors (see below), whose sum is σ = 57792000. Its totient is φ = 7739760.

The previous prime is 23993621. The next prime is 23993633. The reversal of 23993628 is 82639932.

It is a self number, because there is not a number n which added to its sum of digits gives 23993628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23993621) 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 7 ways as a sum of consecutive naturals, for example, 31878 + ... + 32621.

It is an arithmetic number, because the mean of its divisors is an integer number (2408000).

Almost surely, 2^23993628 is an apocalyptic number.

It is an amenable number.

23993628 is an abundant number, since it is smaller than the sum of its proper divisors (33798372).

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

23993628 is a wasteful number, since it uses less digits than its factorization.

23993628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64537 (or 64535 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 23993628 is about 4898.3291028676. The cubic root of 23993628 is about 288.4243839845.

The spelling of 23993628 in words is "twenty-three million, nine hundred ninety-three thousand, six hundred twenty-eight".