1642336150123 has 2 divisors, whose sum is σ = 1642336150124. Its totient is φ = 1642336150122.

The previous prime is 1642336150057. The next prime is 1642336150139. The reversal of 1642336150123 is 3210516332461.

It is a strong prime.

It is an emirp because it is prime and its reverse (3210516332461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1642336150123 - 2²⁵ = 1642302595691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1642336150153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821168075061 + 821168075062.

It is an arithmetic number, because the mean of its divisors is an integer number (821168075062).

Almost surely, 2^{1642336150123} is an apocalyptic number.

1642336150123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642336150123 is an equidigital number, since it uses as much as digits as its factorization.

1642336150123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 1642336150123 in words is "one trillion, six hundred forty-two billion, three hundred thirty-six million, one hundred fifty thousand, one hundred twenty-three".