315169927123 has 2 divisors, whose sum is σ = 315169927124. Its totient is φ = 315169927122.

The previous prime is 315169927117. The next prime is 315169927139. The reversal of 315169927123 is 321729961513.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315169927123 - 2⁵ = 315169927091 is a prime.

It is not a weakly prime, because it can be changed into another prime (315169907123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157584963561 + 157584963562.

It is an arithmetic number, because the mean of its divisors is an integer number (157584963562).

Almost surely, 2^315169927123 is an apocalyptic number.

315169927123 is a deficient number, since it is larger than the sum of its proper divisors (1).

315169927123 is an equidigital number, since it uses as much as digits as its factorization.

315169927123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 49.

The spelling of 315169927123 in words is "three hundred fifteen billion, one hundred sixty-nine million, nine hundred twenty-seven thousand, one hundred twenty-three".