23440233344 has 32 divisors (see below), whose sum is σ = 50942555640. Its totient is φ = 10654650880.

The previous prime is 23440233331. The next prime is 23440233379. The reversal of 23440233344 is 44333204432.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 23440233344.

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, 8322539 + ... + 8325354.

Almost surely, 2^23440233344 is an apocalyptic number.

It is an amenable number.

23440233344 is an abundant number, since it is smaller than the sum of its proper divisors (27502322296).

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

23440233344 is a wasteful number, since it uses less digits than its factorization.

23440233344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16647918 (or 16647906 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 23440233344 its reverse (44333204432), we get a palindrome (67773437776).

The spelling of 23440233344 in words is "twenty-three billion, four hundred forty million, two hundred thirty-three thousand, three hundred forty-four".