231344230223 has 6 divisors (see below), whose sum is σ = 244161085464. Its totient is φ = 219168217764.

The previous prime is 231344230199. The next prime is 231344230319. The reversal of 231344230223 is 322032443132.

It is not a de Polignac number, because 231344230223 - 2⁸ = 231344229967 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 (231344235223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320421011 + ... + 320421732.

It is an arithmetic number, because the mean of its divisors is an integer number (40693514244).

Almost surely, 2^231344230223 is an apocalyptic number.

231344230223 is a deficient number, since it is larger than the sum of its proper divisors (12816855241).

231344230223 is an equidigital number, since it uses as much as digits as its factorization.

231344230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640842781 (or 640842762 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 231344230223 its reverse (322032443132), we get a palindrome (553376673355).

The spelling of 231344230223 in words is "two hundred thirty-one billion, three hundred forty-four million, two hundred thirty thousand, two hundred twenty-three".