432434231 has 4 divisors (see below), whose sum is σ = 433097112. Its totient is φ = 431771352.

The previous prime is 432434213. The next prime is 432434251. The reversal of 432434231 is 132434234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132434234 = 2 ⋅66217117.

It is a cyclic number.

It is not a de Polignac number, because 432434231 - 2¹⁰ = 432433207 is a prime.

It is a super-2 number, since 2×432434231² = 373998728281122722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 432434231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432434251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330461 + ... + 331766.

It is an arithmetic number, because the mean of its divisors is an integer number (108274278).

Almost surely, 2^432434231 is an apocalyptic number.

432434231 is a deficient number, since it is larger than the sum of its proper divisors (662881).

432434231 is an equidigital number, since it uses as much as digits as its factorization.

432434231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662880.

The product of its digits is 6912, while the sum is 26.

The square root of 432434231 is about 20795.0530415289. The cubic root of 432434231 is about 756.2058306648.

Adding to 432434231 its reverse (132434234), we get a palindrome (564868465).

It can be divided in two parts, 43243 and 4231, that added together give a palindrome (47474).

The spelling of 432434231 in words is "four hundred thirty-two million, four hundred thirty-four thousand, two hundred thirty-one".