2231112212323 has 4 divisors (see below), whose sum is σ = 2231755372960. Its totient is φ = 2230469051688.

The previous prime is 2231112212309. The next prime is 2231112212363. The reversal of 2231112212323 is 3232122111322.

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 2231112212323 - 2²⁵ = 2231078657891 is a prime.

It is a super-3 number, since 3×2231112212323³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231112212363) 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, 321575115 + ... + 321582052.

It is an arithmetic number, because the mean of its divisors is an integer number (557938843240).

Almost surely, 2^{2231112212323} is an apocalyptic number.

2231112212323 is a deficient number, since it is larger than the sum of its proper divisors (643160637).

2231112212323 is an equidigital number, since it uses as much as digits as its factorization.

2231112212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643160636.

The product of its digits is 1728, while the sum is 25.

Adding to 2231112212323 its reverse (3232122111322), we get a palindrome (5463234323645).

The spelling of 2231112212323 in words is "two trillion, two hundred thirty-one billion, one hundred twelve million, two hundred twelve thousand, three hundred twenty-three".