123607971156 has 48 divisors (see below), whose sum is σ = 291512390400. Its totient is φ = 40761850752.

The previous prime is 123607971143. The next prime is 123607971197. The reversal of 123607971156 is 651179706321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781765 + ... + 926483.

It is an arithmetic number, because the mean of its divisors is an integer number (6073174800).

Almost surely, 2^123607971156 is an apocalyptic number.

It is an amenable number.

123607971156 is an abundant number, since it is smaller than the sum of its proper divisors (167904419244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123607971156 is a wasteful number, since it uses less digits than its factorization.

123607971156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145488 (or 145486 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 123607971156 in words is "one hundred twenty-three billion, six hundred seven million, nine hundred seventy-one thousand, one hundred fifty-six".