2123222123 has 8 divisors (see below), whose sum is σ = 2452492080. Its totient is φ = 1816660480.

The previous prime is 2123222093. The next prime is 2123222141. The reversal of 2123222123 is 3212223212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123222123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123222095 and 2123222104.

It is not an unprimeable number, because it can be changed into a prime (2123222623) 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 7 ways as a sum of consecutive naturals, for example, 5676878 + ... + 5677251.

It is an arithmetic number, because the mean of its divisors is an integer number (306561510).

Almost surely, 2^2123222123 is an apocalyptic number.

2123222123 is a deficient number, since it is larger than the sum of its proper divisors (329269957).

2123222123 is a wasteful number, since it uses less digits than its factorization.

2123222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354157.

The product of its digits is 576, while the sum is 20.

The square root of 2123222123 is about 46078.4344677638. The cubic root of 2123222123 is about 1285.2821523578.

Adding to 2123222123 its reverse (3212223212), we get a palindrome (5335445335).

The spelling of 2123222123 in words is "two billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-three".