23107128 has 96 divisors (see below), whose sum is σ = 64957200. Its totient is φ = 6842880.

The previous prime is 23107093. The next prime is 23107141. The reversal of 23107128 is 82170132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 23107098 and 23107107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211938 + ... + 212046.

Almost surely, 2^23107128 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 23107128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32478600).

23107128 is an abundant number, since it is smaller than the sum of its proper divisors (41850072).

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

23107128 is a wasteful number, since it uses less digits than its factorization.

23107128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 23107128 is about 4806.9874141712. The cubic root of 23107128 is about 284.8275472555.

The spelling of 23107128 in words is "twenty-three million, one hundred seven thousand, one hundred twenty-eight".