23021344 has 48 divisors (see below), whose sum is σ = 48867840. Its totient is φ = 10644480.

The previous prime is 23021333. The next prime is 23021347. The reversal of 23021344 is 44312032.

It is not an unprimeable number, because it can be changed into a prime (23021347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22312 + ... + 23320.

It is an arithmetic number, because the mean of its divisors is an integer number (1018080).

Almost surely, 2^23021344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24433920).

23021344 is an abundant number, since it is smaller than the sum of its proper divisors (25846496).

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

23021344 is a wasteful number, since it uses less digits than its factorization.

23021344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23021344 is about 4798.0562731173. The cubic root of 23021344 is about 284.4746410723.

Adding to 23021344 its reverse (44312032), we get a palindrome (67333376).

The spelling of 23021344 in words is "twenty-three million, twenty-one thousand, three hundred forty-four".