123692985271 has 2 divisors, whose sum is σ = 123692985272. Its totient is φ = 123692985270.

The previous prime is 123692985211. The next prime is 123692985307. The reversal of 123692985271 is 172589296321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123692985271 - 2²⁷ = 123558767543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123692985211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61846492635 + 61846492636.

It is an arithmetic number, because the mean of its divisors is an integer number (61846492636).

Almost surely, 2^123692985271 is an apocalyptic number.

123692985271 is a deficient number, since it is larger than the sum of its proper divisors (1).

123692985271 is an equidigital number, since it uses as much as digits as its factorization.

123692985271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The spelling of 123692985271 in words is "one hundred twenty-three billion, six hundred ninety-two million, nine hundred eighty-five thousand, two hundred seventy-one".