23152144 has 10 divisors (see below), whose sum is σ = 44857310. Its totient is φ = 11576064.

The previous prime is 23152139. The next prime is 23152159. The reversal of 23152144 is 44125132.

It can be written as a sum of positive squares in only one way, i.e., 19465744 + 3686400 = 4412^2 + 1920^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723489 + ... + 723520.

It is an arithmetic number, because the mean of its divisors is an integer number (4485731).

Almost surely, 2^23152144 is an apocalyptic number.

It is an amenable number.

23152144 is a deficient number, since it is larger than the sum of its proper divisors (21705166).

23152144 is a wasteful number, since it uses less digits than its factorization.

23152144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447017 (or 1447011 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 23152144 is about 4811.6674864334. The cubic root of 23152144 is about 285.0123889146.

Adding to 23152144 its reverse (44125132), we get a palindrome (67277276).

The spelling of 23152144 in words is "twenty-three million, one hundred fifty-two thousand, one hundred forty-four".