23315328 has 96 divisors (see below), whose sum is σ = 69031560. Its totient is φ = 7547904.

The previous prime is 23315323. The next prime is 23315339. The reversal of 23315328 is 82351332.

23315328 is a `hidden beast` number, since 2 + 331 + 5 + 328 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23315321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42351 + ... + 42897.

Almost surely, 2^23315328 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 23315328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34515780).

23315328 is an abundant number, since it is smaller than the sum of its proper divisors (45716232).

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

23315328 is a wasteful number, since it uses less digits than its factorization.

23315328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 589 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 23315328 is about 4828.5948266551. The cubic root of 23315328 is about 285.6804424676.

The spelling of 23315328 in words is "twenty-three million, three hundred fifteen thousand, three hundred twenty-eight".