432423522 has 20 divisors (see below), whose sum is σ = 968949366. Its totient is φ = 144141120.

The previous prime is 432423517. The next prime is 432423539. The reversal of 432423522 is 225324234.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 403166241 + 29257281 = 20079^2 + 5409^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1334479 + ... + 1334802.

Almost surely, 2^432423522 is an apocalyptic number.

432423522 is an abundant number, since it is smaller than the sum of its proper divisors (536525844).

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

432423522 is a wasteful number, since it uses less digits than its factorization.

432423522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669295 (or 2669286 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 432423522 is about 20794.7955508103. The cubic root of 432423522 is about 756.1995882704.

Adding to 432423522 its reverse (225324234), we get a palindrome (657747756).

It can be divided in two parts, 43242 and 3522, that added together give a palindrome (46764).

The spelling of 432423522 in words is "four hundred thirty-two million, four hundred twenty-three thousand, five hundred twenty-two".