2313223121 has 8 divisors (see below), whose sum is σ = 2530008000. Its totient is φ = 2097520240.

The previous prime is 2313223109. The next prime is 2313223147. The reversal of 2313223121 is 1213223132.

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

It is a cyclic number.

It is not a de Polignac number, because 2313223121 - 2¹⁰ = 2313222097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2313223093 and 2313223102.

It is not an unprimeable number, because it can be changed into a prime (2313223181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266021 + ... + 274578.

It is an arithmetic number, because the mean of its divisors is an integer number (316251000).

Almost surely, 2^2313223121 is an apocalyptic number.

It is an amenable number.

2313223121 is a deficient number, since it is larger than the sum of its proper divisors (216784879).

2313223121 is a wasteful number, since it uses less digits than its factorization.

2313223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540999.

The product of its digits is 432, while the sum is 20.

The square root of 2313223121 is about 48095.9782206371. The cubic root of 2313223121 is about 1322.5309416803.

Adding to 2313223121 its reverse (1213223132), we get a palindrome (3526446253).

The spelling of 2313223121 in words is "two billion, three hundred thirteen million, two hundred twenty-three thousand, one hundred twenty-one".