231312233323 has 4 divisors (see below), whose sum is σ = 231386637280. Its totient is φ = 231237829368.

The previous prime is 231312233263. The next prime is 231312233401. The reversal of 231312233323 is 323332213132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231312233323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231312233291 and 231312233300.

It is not an unprimeable number, because it can be changed into a prime (231312233023) 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, 37197315 + ... + 37203532.

It is an arithmetic number, because the mean of its divisors is an integer number (57846659320).

Almost surely, 2^231312233323 is an apocalyptic number.

231312233323 is a deficient number, since it is larger than the sum of its proper divisors (74403957).

231312233323 is an equidigital number, since it uses as much as digits as its factorization.

231312233323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74403956.

The product of its digits is 11664, while the sum is 28.

Adding to 231312233323 its reverse (323332213132), we get a palindrome (554644446455).

The spelling of 231312233323 in words is "two hundred thirty-one billion, three hundred twelve million, two hundred thirty-three thousand, three hundred twenty-three".