2123773199 has 2 divisors, whose sum is σ = 2123773200. Its totient is φ = 2123773198.

The previous prime is 2123773187. The next prime is 2123773219. The reversal of 2123773199 is 9913773212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123773199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123772199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061886599 + 1061886600.

It is an arithmetic number, because the mean of its divisors is an integer number (1061886600).

Almost surely, 2^2123773199 is an apocalyptic number.

2123773199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123773199 is an equidigital number, since it uses as much as digits as its factorization.

2123773199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 2123773199 is about 46084.4138402562. The cubic root of 2123773199 is about 1285.3933397948.

The spelling of 2123773199 in words is "two billion, one hundred twenty-three million, seven hundred seventy-three thousand, one hundred ninety-nine".