423242432 has 14 divisors (see below), whose sum is σ = 839871828. Its totient is φ = 211621184.

The previous prime is 423242429. The next prime is 423242497. The reversal of 423242432 is 234242324.

It is a happy number.

423242432 is nontrivially palindromic in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3306518 + ... + 3306645.

Almost surely, 2^423242432 is an apocalyptic number.

It is an amenable number.

423242432 is a deficient number, since it is larger than the sum of its proper divisors (416629396).

423242432 is an equidigital number, since it uses as much as digits as its factorization.

423242432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613175 (or 6613165 counting only the distinct ones).

The product of its digits is 9216, while the sum is 26.

The square root of 423242432 is about 20572.8566805877. The cubic root of 423242432 is about 750.8094561341.

Adding to 423242432 its reverse (234242324), we get a palindrome (657484756).

It can be divided in two parts, 4232 and 42432, that added together give a palindrome (46664).

The spelling of 423242432 in words is "four hundred twenty-three million, two hundred forty-two thousand, four hundred thirty-two".