871702984123 has 2 divisors, whose sum is σ = 871702984124. Its totient is φ = 871702984122.

The previous prime is 871702984111. The next prime is 871702984157. The reversal of 871702984123 is 321489207178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 871702984123 - 2³³ = 863113049531 is a prime.

It is not a weakly prime, because it can be changed into another prime (871702984183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435851492061 + 435851492062.

It is an arithmetic number, because the mean of its divisors is an integer number (435851492062).

Almost surely, 2^871702984123 is an apocalyptic number.

871702984123 is a deficient number, since it is larger than the sum of its proper divisors (1).

871702984123 is an equidigital number, since it uses as much as digits as its factorization.

871702984123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 871702984123 in words is "eight hundred seventy-one billion, seven hundred two million, nine hundred eighty-four thousand, one hundred twenty-three".