23992428 has 24 divisors (see below), whose sum is σ = 57496432. Its totient is φ = 7781184.

The previous prime is 23992417. The next prime is 23992429. The reversal of 23992428 is 82429932.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23992429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26575 + ... + 27462.

Almost surely, 2^23992428 is an apocalyptic number.

It is an amenable number.

23992428 is an abundant number, since it is smaller than the sum of its proper divisors (33504004).

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

23992428 is a wasteful number, since it uses less digits than its factorization.

23992428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54081 (or 54079 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 23992428 is about 4898.2066105872. The cubic root of 23992428 is about 288.4195755547.

The spelling of 23992428 in words is "twenty-three million, nine hundred ninety-two thousand, four hundred twenty-eight".