117840723400 has 24 divisors (see below), whose sum is σ = 273979682370. Its totient is φ = 47136289280.

The previous prime is 117840723391. The next prime is 117840723487. The reversal of 117840723400 is 4327048711.

It can be written as a sum of positive squares in 3 ways, for example, as 113476007044 + 4364716356 = 336862^2 + 66066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 117840723400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294601609 + ... + 294602008.

Almost surely, 2^117840723400 is an apocalyptic number.

117840723400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117840723400 is an abundant number, since it is smaller than the sum of its proper divisors (156138958970).

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

117840723400 is a wasteful number, since it uses less digits than its factorization.

117840723400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589203633 (or 589203624 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 117840723400 in words is "one hundred seventeen billion, eight hundred forty million, seven hundred twenty-three thousand, four hundred".