23158328 has 16 divisors (see below), whose sum is σ = 43946280. Its totient is φ = 11439328.

The previous prime is 23158319. The next prime is 23158351. The reversal of 23158328 is 82385132.

It is a junction number, because it is equal to n+sod(n) for n = 23158294 and 23158303.

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, 16775 + ... + 18102.

Almost surely, 2^23158328 is an apocalyptic number.

It is an amenable number.

23158328 is a deficient number, since it is larger than the sum of its proper divisors (20787952).

23158328 is a wasteful number, since it uses less digits than its factorization.

23158328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34966 (or 34962 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 23158328 is about 4812.3100481993. The cubic root of 23158328 is about 285.0377625145.

The spelling of 23158328 in words is "twenty-three million, one hundred fifty-eight thousand, three hundred twenty-eight".