12430040432 has 20 divisors (see below), whose sum is σ = 24422405616. Its totient is φ = 6127484160.

The previous prime is 12430040419. The next prime is 12430040507. The reversal of 12430040432 is 23404003421.

It is a junction number, because it is equal to n+sod(n) for n = 12430040398 and 12430040407.

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, 5469833 + ... + 5472104.

Almost surely, 2^12430040432 is an apocalyptic number.

It is an amenable number.

12430040432 is a deficient number, since it is larger than the sum of its proper divisors (11992365184).

12430040432 is a wasteful number, since it uses less digits than its factorization.

12430040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10942016 (or 10942010 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12430040432 its reverse (23404003421), we get a palindrome (35834043853).

The spelling of 12430040432 in words is "twelve billion, four hundred thirty million, forty thousand, four hundred thirty-two".