432231143 has 4 divisors (see below), whose sum is σ = 442773408. Its totient is φ = 421688880.

The previous prime is 432231139. The next prime is 432231187. The reversal of 432231143 is 341132234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 432231143 - 2² = 432231139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432231193) 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, 5271071 + ... + 5271152.

It is an arithmetic number, because the mean of its divisors is an integer number (110693352).

Almost surely, 2^432231143 is an apocalyptic number.

432231143 is a deficient number, since it is larger than the sum of its proper divisors (10542265).

432231143 is a wasteful number, since it uses less digits than its factorization.

432231143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10542264.

The product of its digits is 1728, while the sum is 23.

The square root of 432231143 is about 20790.1693836294. The cubic root of 432231143 is about 756.0874308661.

Adding to 432231143 its reverse (341132234), we get a palindrome (773363377).

The spelling of 432231143 in words is "four hundred thirty-two million, two hundred thirty-one thousand, one hundred forty-three".