123806117760 has 128 divisors (see below), whose sum is σ = 424988393760. Its totient is φ = 30475345920.

The previous prime is 123806117741. The next prime is 123806117783. The reversal of 123806117760 is 67711608321.

It is a tau number, because it is divible by the number of its divisors (128).

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, 2455131 + ... + 2505050.

Almost surely, 2^123806117760 is an apocalyptic number.

123806117760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123806117760 is an abundant number, since it is smaller than the sum of its proper divisors (301182276000).

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

123806117760 is a wasteful number, since it uses less digits than its factorization.

123806117760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960216 (or 4960204 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 123806117760 in words is "one hundred twenty-three billion, eight hundred six million, one hundred seventeen thousand, seven hundred sixty".