23072328 has 24 divisors (see below), whose sum is σ = 62487750. Its totient is φ = 7690752.

The previous prime is 23072317. The next prime is 23072341. The reversal of 23072328 is 82327032.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 5280804 = 4218^2 + 2298^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160153 + ... + 160296.

Almost surely, 2^23072328 is an apocalyptic number.

It is an amenable number.

23072328 is an abundant number, since it is smaller than the sum of its proper divisors (39415422).

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

23072328 is a wasteful number, since it uses less digits than its factorization.

23072328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320461 (or 320454 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 23072328 is about 4803.3663195721. The cubic root of 23072328 is about 284.6844892529.

The spelling of 23072328 in words is "twenty-three million, seventy-two thousand, three hundred twenty-eight".