23440240324 has 12 divisors (see below), whose sum is σ = 41974384144. Its totient is φ = 11447559144.

The previous prime is 23440240319. The next prime is 23440240357. The reversal of 23440240324 is 42304204432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23440240292 and 23440240301.

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, 68140062 + ... + 68140405.

Almost surely, 2^23440240324 is an apocalyptic number.

It is an amenable number.

23440240324 is a deficient number, since it is larger than the sum of its proper divisors (18534143820).

23440240324 is a wasteful number, since it uses less digits than its factorization.

23440240324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136280514 (or 136280512 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 23440240324 its reverse (42304204432), we get a palindrome (65744444756).

The spelling of 23440240324 in words is "twenty-three billion, four hundred forty million, two hundred forty thousand, three hundred twenty-four".