123667306671 has 16 divisors (see below), whose sum is σ = 165768871680. Its totient is φ = 82005434880.

The previous prime is 123667306663. The next prime is 123667306687. The reversal of 123667306671 is 176603766321.

It is not a de Polignac number, because 123667306671 - 2³ = 123667306663 is a prime.

It is a super-2 number, since 2×123667306671² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123667306671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123667306601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5511886 + ... + 5534276.

It is an arithmetic number, because the mean of its divisors is an integer number (10360554480).

Almost surely, 2^123667306671 is an apocalyptic number.

123667306671 is a deficient number, since it is larger than the sum of its proper divisors (42101565009).

123667306671 is a wasteful number, since it uses less digits than its factorization.

123667306671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32126.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 123667306671 in words is "one hundred twenty-three billion, six hundred sixty-seven million, three hundred six thousand, six hundred seventy-one".