234431323 has 4 divisors (see below), whose sum is σ = 267921520. Its totient is φ = 200941128.

The previous prime is 234431311. The next prime is 234431333. The reversal of 234431323 is 323134432.

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 234431323 - 2²¹ = 232334171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234431303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16745088 + ... + 16745101.

It is an arithmetic number, because the mean of its divisors is an integer number (66980380).

Almost surely, 2^234431323 is an apocalyptic number.

234431323 is a deficient number, since it is larger than the sum of its proper divisors (33490197).

234431323 is an equidigital number, since it uses as much as digits as its factorization.

234431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33490196.

The product of its digits is 5184, while the sum is 25.

The square root of 234431323 is about 15311.1502833719. The cubic root of 234431323 is about 616.6024028803.

Adding to 234431323 its reverse (323134432), we get a palindrome (557565755).

The spelling of 234431323 in words is "two hundred thirty-four million, four hundred thirty-one thousand, three hundred twenty-three".