23936928 has 96 divisors (see below), whose sum is σ = 67568256. Its totient is φ = 7400448.

The previous prime is 23936917. The next prime is 23936947. The reversal of 23936928 is 82963932.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23936928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81550 + ... + 81842.

It is an arithmetic number, because the mean of its divisors is an integer number (703836).

Almost surely, 2^23936928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23936928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33784128).

23936928 is an abundant number, since it is smaller than the sum of its proper divisors (43631328).

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

23936928 is a wasteful number, since it uses less digits than its factorization.

23936928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 358 counting only the distinct ones).

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

The square root of 23936928 is about 4892.5379916767. The cubic root of 23936928 is about 288.1970102635.

The spelling of 23936928 in words is "twenty-three million, nine hundred thirty-six thousand, nine hundred twenty-eight".