2123303879 has 2 divisors, whose sum is σ = 2123303880. Its totient is φ = 2123303878.

The previous prime is 2123303851. The next prime is 2123303881. The reversal of 2123303879 is 9783033212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123303879 is a prime.

Together with 2123303881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123303849) 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 as a sum of consecutive naturals, namely, 1061651939 + 1061651940.

It is an arithmetic number, because the mean of its divisors is an integer number (1061651940).

Almost surely, 2^2123303879 is an apocalyptic number.

2123303879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123303879 is an equidigital number, since it uses as much as digits as its factorization.

2123303879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 2123303879 is about 46079.3215987388. The cubic root of 2123303879 is about 1285.2986490113.

The spelling of 2123303879 in words is "two billion, one hundred twenty-three million, three hundred three thousand, eight hundred seventy-nine".