123147286080 has 672 divisors, whose sum is σ = 492259412736. Its totient is φ = 25853313024.

The previous prime is 123147286079. The next prime is 123147286111. The reversal of 123147286080 is 80682741321.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 169390677 + ... + 169391403.

It is an arithmetic number, because the mean of its divisors is an integer number (732528888).

Almost surely, 2^123147286080 is an apocalyptic number.

123147286080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123147286080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246129706368).

123147286080 is an abundant number, since it is smaller than the sum of its proper divisors (369112126656).

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

123147286080 is a wasteful number, since it uses less digits than its factorization.

123147286080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 123147286080 in words is "one hundred twenty-three billion, one hundred forty-seven million, two hundred eighty-six thousand, eighty".