231340443211323 has 12 divisors (see below), whose sum is σ = 335742107159368. Its totient is φ = 153496028669760.

The previous prime is 231340443211301. The next prime is 231340443211351. The reversal of 231340443211323 is 323112344043132.

231340443211323 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 4 + 0 + 4 + 4 + 321 + 1 + 323 = 666.

231340443211323 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231340443211323 - 2²⁵ = 231340409656891 is a prime.

It is a super-2 number, since 2×231340443211323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231340443201323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60911120590 + ... + 60911124387.

Almost surely, 2^{231340443211323} is an apocalyptic number.

231340443211323 is a deficient number, since it is larger than the sum of its proper divisors (104401663948045).

231340443211323 is a wasteful number, since it uses less digits than its factorization.

231340443211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121822245194 (or 121822245191 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 231340443211323 its reverse (323112344043132), we get a palindrome (554452787254455).

The spelling of 231340443211323 in words is "two hundred thirty-one trillion, three hundred forty billion, four hundred forty-three million, two hundred eleven thousand, three hundred twenty-three".