2231213321323 has 8 divisors (see below), whose sum is σ = 2556794433248. Its totient is φ = 1907341297344.

The previous prime is 2231213321299. The next prime is 2231213321341. The reversal of 2231213321323 is 3231233121322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2231213321323 - 2⁵ = 2231213321291 is a prime.

It is a super-3 number, since 3×2231213321323³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231213321291 and 2231213321300.

It is not an unprimeable number, because it can be changed into a prime (2231213321353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427269186 + ... + 427274407.

It is an arithmetic number, because the mean of its divisors is an integer number (319599304156).

Almost surely, 2^{2231213321323} is an apocalyptic number.

2231213321323 is a deficient number, since it is larger than the sum of its proper divisors (325581111925).

2231213321323 is an equidigital number, since it uses as much as digits as its factorization.

2231213321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854543973.

The product of its digits is 7776, while the sum is 28.

Adding to 2231213321323 its reverse (3231233121322), we get a palindrome (5462446442645).

The spelling of 2231213321323 in words is "two trillion, two hundred thirty-one billion, two hundred thirteen million, three hundred twenty-one thousand, three hundred twenty-three".