23489328 has 20 divisors (see below), whose sum is σ = 60680888. Its totient is φ = 7829760.

The previous prime is 23489327. The next prime is 23489341. The reversal of 23489328 is 82398432.

It is not an unprimeable number, because it can be changed into a prime (23489321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244633 + ... + 244728.

Almost surely, 2^23489328 is an apocalyptic number.

It is an amenable number.

23489328 is an abundant number, since it is smaller than the sum of its proper divisors (37191560).

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

23489328 is a wasteful number, since it uses less digits than its factorization.

23489328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489372 (or 489366 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 23489328 is about 4846.5789996656. The cubic root of 23489328 is about 286.3893502277.

The spelling of 23489328 in words is "twenty-three million, four hundred eighty-nine thousand, three hundred twenty-eight".