2123442323 has 16 divisors (see below), whose sum is σ = 2201298720. Its totient is φ = 2047389696.

The previous prime is 2123442313. The next prime is 2123442331. The reversal of 2123442323 is 3232443212.

It is a cyclic number.

It is not a de Polignac number, because 2123442323 - 2⁸ = 2123442067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123442292 and 2123442301.

It is not an unprimeable number, because it can be changed into a prime (2123442313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668483 + ... + 671651.

It is an arithmetic number, because the mean of its divisors is an integer number (137581170).

Almost surely, 2^2123442323 is an apocalyptic number.

2123442323 is a deficient number, since it is larger than the sum of its proper divisors (77856397).

2123442323 is a wasteful number, since it uses less digits than its factorization.

2123442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446.

The product of its digits is 6912, while the sum is 26.

The square root of 2123442323 is about 46080.8238099103. The cubic root of 2123442323 is about 1285.3265831537.

Adding to 2123442323 its reverse (3232443212), we get a palindrome (5355885535).

The spelling of 2123442323 in words is "two billion, one hundred twenty-three million, four hundred forty-two thousand, three hundred twenty-three".