2313222123 has 4 divisors (see below), whose sum is σ = 3084296168. Its totient is φ = 1542148080.

The previous prime is 2313222097. The next prime is 2313222137. The reversal of 2313222123 is 3212223132.

It is a happy number.

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

It is not a de Polignac number, because 2313222123 - 2⁶ = 2313222059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2313222123.

It is not an unprimeable number, because it can be changed into a prime (2313222523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385537018 + ... + 385537023.

It is an arithmetic number, because the mean of its divisors is an integer number (771074042).

Almost surely, 2^2313222123 is an apocalyptic number.

2313222123 is a deficient number, since it is larger than the sum of its proper divisors (771074045).

2313222123 is an equidigital number, since it uses as much as digits as its factorization.

2313222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771074044.

The product of its digits is 864, while the sum is 21.

The square root of 2313222123 is about 48095.9678455481. The cubic root of 2313222123 is about 1322.5307514859.

Adding to 2313222123 its reverse (3212223132), we get a palindrome (5525445255).

The spelling of 2313222123 in words is "two billion, three hundred thirteen million, two hundred twenty-two thousand, one hundred twenty-three".