2123422613 has 8 divisors (see below), whose sum is σ = 2318089368. Its totient is φ = 1933231104.

The previous prime is 2123422607. The next prime is 2123422619. The reversal of 2123422613 is 3162243212.

It is an interprime number because it is at equal distance from previous prime (2123422607) and next prime (2123422619).

It can be written as a sum of positive squares in 4 ways, for example, as 41964484 + 2081458129 = 6478^2 + 45623^2 .

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 2123422613 - 2³⁰ = 1049680789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123422619) 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, 1117820 + ... + 1119717.

It is an arithmetic number, because the mean of its divisors is an integer number (289761171).

Almost surely, 2^2123422613 is an apocalyptic number.

It is an amenable number.

2123422613 is a deficient number, since it is larger than the sum of its proper divisors (194666755).

2123422613 is a wasteful number, since it uses less digits than its factorization.

2123422613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237623.

The product of its digits is 3456, while the sum is 26.

The square root of 2123422613 is about 46080.6099460500. The cubic root of 2123422613 is about 1285.3226062990.

Adding to 2123422613 its reverse (3162243212), we get a palindrome (5285665825).

The spelling of 2123422613 in words is "two billion, one hundred twenty-three million, four hundred twenty-two thousand, six hundred thirteen".