23144328 has 24 divisors (see below), whose sum is σ = 62682750. Its totient is φ = 7714752.

The previous prime is 23144311. The next prime is 23144339. The reversal of 23144328 is 82344132.

It can be written as a sum of positive squares in only one way, i.e., 21511044 + 1633284 = 4638^2 + 1278^2 .

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

It is a nude number because it is divisible by every one of its digits.

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, 160653 + ... + 160796.

Almost surely, 2^23144328 is an apocalyptic number.

It is an amenable number.

23144328 is an abundant number, since it is smaller than the sum of its proper divisors (39538422).

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

23144328 is a wasteful number, since it uses less digits than its factorization.

23144328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321461 (or 321454 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 23144328 is about 4810.8552254251. The cubic root of 23144328 is about 284.9803125828.

The spelling of 23144328 in words is "twenty-three million, one hundred forty-four thousand, three hundred twenty-eight".