23456144 has 20 divisors (see below), whose sum is σ = 45585996. Its totient is φ = 11692032.

The previous prime is 23456143. The next prime is 23456183. The reversal of 23456144 is 44165432.

It can be written as a sum of positive squares in 2 ways, for example, as 3564544 + 19891600 = 1888^2 + 4460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23456143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572 + ... + 7724.

Almost surely, 2^23456144 is an apocalyptic number.

It is an amenable number.

23456144 is a deficient number, since it is larger than the sum of its proper divisors (22129852).

23456144 is a wasteful number, since it uses less digits than its factorization.

23456144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514 (or 4508 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 23456144 is about 4843.1543440200. The cubic root of 23456144 is about 286.2544233789.

The spelling of 23456144 in words is "twenty-three million, four hundred fifty-six thousand, one hundred forty-four".