23340043432 has 32 divisors (see below), whose sum is σ = 44850957480. Its totient is φ = 11380055040.

The previous prime is 23340043421. The next prime is 23340043457. The reversal of 23340043432 is 23434004332.

It can be written as a sum of positive squares in 4 ways, for example, as 13746624516 + 9593418916 = 117246^2 + 97946^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23340043432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736588 + ... + 767620.

Almost surely, 2^23340043432 is an apocalyptic number.

It is an amenable number.

23340043432 is a deficient number, since it is larger than the sum of its proper divisors (21510914048).

23340043432 is a wasteful number, since it uses less digits than its factorization.

23340043432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33373 (or 33369 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 23340043432 its reverse (23434004332), we get a palindrome (46774047764).

The spelling of 23340043432 in words is "twenty-three billion, three hundred forty million, forty-three thousand, four hundred thirty-two".