23728158 has 24 divisors (see below), whose sum is σ = 54435888. Its totient is φ = 7444032.

The previous prime is 23728151. The next prime is 23728171. The reversal of 23728158 is 85182732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23728151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38466 + ... + 39077.

It is an arithmetic number, because the mean of its divisors is an integer number (2268162).

Almost surely, 2^23728158 is an apocalyptic number.

23728158 is an abundant number, since it is smaller than the sum of its proper divisors (30707730).

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

23728158 is a wasteful number, since it uses less digits than its factorization.

23728158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77568 (or 77565 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 23728158 is about 4871.1557150229. The cubic root of 23728158 is about 287.3567094399.

The spelling of 23728158 in words is "twenty-three million, seven hundred twenty-eight thousand, one hundred fifty-eight".