23243340432 has 80 divisors (see below), whose sum is σ = 65575052928. Its totient is φ = 7051054080.

The previous prime is 23243340431. The next prime is 23243340493. The reversal of 23243340432 is 23404334232.

It is a self number, because there is not a number n which added to its sum of digits gives 23243340432.

It is not an unprimeable number, because it can be changed into a prime (23243340431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218013 + ... + 306620.

Almost surely, 2^23243340432 is an apocalyptic number.

It is an amenable number.

23243340432 is an abundant number, since it is smaller than the sum of its proper divisors (42331712496).

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

23243340432 is a wasteful number, since it uses less digits than its factorization.

23243340432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524728 (or 524722 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 23243340432 its reverse (23404334232), we get a palindrome (46647674664).

The spelling of 23243340432 in words is "twenty-three billion, two hundred forty-three million, three hundred forty thousand, four hundred thirty-two".