157667313123 has 12 divisors (see below), whose sum is σ = 227958378648. Its totient is φ = 105011524800.

The previous prime is 157667313113. The next prime is 157667313157. The reversal of 157667313123 is 321313766751.

157667313123 is a `hidden beast` number, since 1 + 576 + 6 + 73 + 1 + 3 + 1 + 2 + 3 = 666.

157667313123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157667313123 - 2⁴ = 157667313107 is a prime.

It is a super-2 number, since 2×157667313123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157667313113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8324790 + ... + 8343707.

It is an arithmetic number, because the mean of its divisors is an integer number (18996531554).

Almost surely, 2^157667313123 is an apocalyptic number.

157667313123 is a deficient number, since it is larger than the sum of its proper divisors (70291065525).

157667313123 is a wasteful number, since it uses less digits than its factorization.

157667313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669554 (or 16669551 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The spelling of 157667313123 in words is "one hundred fifty-seven billion, six hundred sixty-seven million, three hundred thirteen thousand, one hundred twenty-three".