23728116 has 12 divisors (see below), whose sum is σ = 55365632. Its totient is φ = 7909368.

The previous prime is 23728109. The next prime is 23728147. The reversal of 23728116 is 61182732.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988660 + ... + 988683.

Almost surely, 2^23728116 is an apocalyptic number.

It is an amenable number.

23728116 is an abundant number, since it is smaller than the sum of its proper divisors (31637516).

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

23728116 is a wasteful number, since it uses less digits than its factorization.

23728116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977350 (or 1977348 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 23728116 is about 4871.1514039291. The cubic root of 23728116 is about 287.3565398947.

The spelling of 23728116 in words is "twenty-three million, seven hundred twenty-eight thousand, one hundred sixteen".