123660018163968 has 288 divisors, whose sum is σ = 386687445752832. Its totient is φ = 34587200102400.

The previous prime is 123660018163961. The next prime is 123660018163999. The reversal of 123660018163968 is 869361810066321.

It is not an unprimeable number, because it can be changed into a prime (123660018163961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1456992573 + ... + 1457077443.

Almost surely, 2^{123660018163968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123660018163968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193343722876416).

123660018163968 is an abundant number, since it is smaller than the sum of its proper divisors (263027427588864).

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

123660018163968 is a wasteful number, since it uses less digits than its factorization.

123660018163968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98181 (or 98167 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 123660018163968 in words is "one hundred twenty-three trillion, six hundred sixty billion, eighteen million, one hundred sixty-three thousand, nine hundred sixty-eight".