43231232432 has 40 divisors (see below), whose sum is σ = 85566684096. Its totient is φ = 21149766656.

The previous prime is 43231232393. The next prime is 43231232459. The reversal of 43231232432 is 23423213234.

It is a junction number, because it is equal to n+sod(n) for n = 43231232395 and 43231232404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977918 + ... + 3988770.

Almost surely, 2^43231232432 is an apocalyptic number.

It is an amenable number.

43231232432 is a deficient number, since it is larger than the sum of its proper divisors (42335451664).

43231232432 is a wasteful number, since it uses less digits than its factorization.

43231232432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16205 (or 16199 counting only the distinct ones).

The product of its digits is 20736, while the sum is 29.

Adding to 43231232432 its reverse (23423213234), we get a palindrome (66654445666).

The spelling of 43231232432 in words is "forty-three billion, two hundred thirty-one million, two hundred thirty-two thousand, four hundred thirty-two".