23591328 has 48 divisors (see below), whose sum is σ = 62183520. Its totient is φ = 7831296.

The previous prime is 23591317. The next prime is 23591333. The reversal of 23591328 is 82319532.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37803 + ... + 38421.

It is an arithmetic number, because the mean of its divisors is an integer number (1295490).

Almost surely, 2^23591328 is an apocalyptic number.

It is an amenable number.

23591328 is an abundant number, since it is smaller than the sum of its proper divisors (38592192).

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

23591328 is a wasteful number, since it uses less digits than its factorization.

23591328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1021 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 23591328 is about 4857.0904871126. The cubic root of 23591328 is about 286.8032904431.

The spelling of 23591328 in words is "twenty-three million, five hundred ninety-one thousand, three hundred twenty-eight".