2123100422039 has 2 divisors, whose sum is σ = 2123100422040. Its totient is φ = 2123100422038.

The previous prime is 2123100422021. The next prime is 2123100422083. The reversal of 2123100422039 is 9302240013212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123100422039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123100422089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061550211019 + 1061550211020.

It is an arithmetic number, because the mean of its divisors is an integer number (1061550211020).

Almost surely, 2^{2123100422039} is an apocalyptic number.

2123100422039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123100422039 is an equidigital number, since it uses as much as digits as its factorization.

2123100422039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 2123100422039 in words is "two trillion, one hundred twenty-three billion, one hundred million, four hundred twenty-two thousand, thirty-nine".