123013203142019 has 2 divisors, whose sum is σ = 123013203142020. Its totient is φ = 123013203142018.

The previous prime is 123013203142013. The next prime is 123013203142031. The reversal of 123013203142019 is 910241302310321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123013203142019 is a prime.

It is a super-2 number, since 2×123013203142019² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (123013203142013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506601571009 + 61506601571010.

It is an arithmetic number, because the mean of its divisors is an integer number (61506601571010).

Almost surely, 2^{123013203142019} is an apocalyptic number.

123013203142019 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013203142019 is an equidigital number, since it uses as much as digits as its factorization.

123013203142019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 123013203142019 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred forty-two thousand, nineteen".