23381344 has 24 divisors (see below), whose sum is σ = 52608528. Its totient is φ = 10020480.

The previous prime is 23381333. The next prime is 23381359. The reversal of 23381344 is 44318332.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51967 + ... + 52414.

It is an arithmetic number, because the mean of its divisors is an integer number (2192022).

Almost surely, 2^23381344 is an apocalyptic number.

It is an amenable number.

23381344 is an abundant number, since it is smaller than the sum of its proper divisors (29227184).

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

23381344 is a wasteful number, since it uses less digits than its factorization.

23381344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104398 (or 104390 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 23381344 is about 4835.4259378053. The cubic root of 23381344 is about 285.9498175927.

Adding to 23381344 its reverse (44318332), we get a palindrome (67699676).

The spelling of 23381344 in words is "twenty-three million, three hundred eighty-one thousand, three hundred forty-four".