423232432 has 20 divisors (see below), whose sum is σ = 937157776. Its totient is φ = 181385280.

The previous prime is 423232427. The next prime is 423232441. The reversal of 423232432 is 234232324.

It is a junction number, because it is equal to n+sod(n) for n = 423232397 and 423232406.

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, 1889319 + ... + 1889542.

Almost surely, 2^423232432 is an apocalyptic number.

It is an amenable number.

423232432 is an abundant number, since it is smaller than the sum of its proper divisors (513925344).

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

423232432 is a wasteful number, since it uses less digits than its factorization.

423232432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778876 (or 3778870 counting only the distinct ones).

The product of its digits is 6912, while the sum is 25.

The square root of 423232432 is about 20572.6136404687. The cubic root of 423232432 is about 750.8035429324.

Adding to 423232432 its reverse (234232324), we get a palindrome (657464756).

The spelling of 423232432 in words is "four hundred twenty-three million, two hundred thirty-two thousand, four hundred thirty-two".