2123013012979 has 2 divisors, whose sum is σ = 2123013012980. Its totient is φ = 2123013012978.

The previous prime is 2123013012973. The next prime is 2123013013151. The reversal of 2123013012979 is 9792103103212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123013012979 - 2⁵ = 2123013012947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123013012973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061506506489 + 1061506506490.

It is an arithmetic number, because the mean of its divisors is an integer number (1061506506490).

Almost surely, 2^{2123013012979} is an apocalyptic number.

2123013012979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123013012979 is an equidigital number, since it uses as much as digits as its factorization.

2123013012979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 2123013012979 in words is "two trillion, one hundred twenty-three billion, thirteen million, twelve thousand, nine hundred seventy-nine".