23144388 has 24 divisors (see below), whose sum is σ = 55464192. Its totient is φ = 7506144.

The previous prime is 23144357. The next prime is 23144389. The reversal of 23144388 is 88344132.

It is not an unprimeable number, because it can be changed into a prime (23144389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25620 + ... + 26507.

It is an arithmetic number, because the mean of its divisors is an integer number (2311008).

Almost surely, 2^23144388 is an apocalyptic number.

It is an amenable number.

23144388 is an abundant number, since it is smaller than the sum of its proper divisors (32319804).

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

23144388 is a wasteful number, since it uses less digits than its factorization.

23144388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52171 (or 52169 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 23144388 is about 4810.8614613185. The cubic root of 23144388 is about 284.9805588462.

It can be divided in two parts, 23144 and 388, that added together give a palindrome (23532).

The spelling of 23144388 in words is "twenty-three million, one hundred forty-four thousand, three hundred eighty-eight".