231324443 has 6 divisors (see below), whose sum is σ = 269091756. Its totient is φ = 198278052.

The previous prime is 231324433. The next prime is 231324451. The reversal of 231324443 is 344423132.

It is not a de Polignac number, because 231324443 - 2¹² = 231320347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231324433) 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 5 ways as a sum of consecutive naturals, for example, 2360405 + ... + 2360502.

It is an arithmetic number, because the mean of its divisors is an integer number (44848626).

Almost surely, 2^231324443 is an apocalyptic number.

231324443 is a deficient number, since it is larger than the sum of its proper divisors (37767313).

231324443 is an equidigital number, since it uses as much as digits as its factorization.

231324443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720921 (or 4720914 counting only the distinct ones).

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

The square root of 231324443 is about 15209.3537995537. The cubic root of 231324443 is about 613.8663700321.

Adding to 231324443 its reverse (344423132), we get a palindrome (575747575).

The spelling of 231324443 in words is "two hundred thirty-one million, three hundred twenty-four thousand, four hundred forty-three".