117923560 has 72 divisors (see below), whose sum is σ = 284671890. Its totient is φ = 43955200.

The previous prime is 117923539. The next prime is 117923581. The reversal of 117923560 is 65329711.

It is an interprime number because it is at equal distance from previous prime (117923539) and next prime (117923581).

It can be written as a sum of positive squares in 9 ways, for example, as 102697956 + 15225604 = 10134^2 + 3902^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1167510 + ... + 1167610.

Almost surely, 2^117923560 is an apocalyptic number.

117923560 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 117923560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142335945).

117923560 is an abundant number, since it is smaller than the sum of its proper divisors (166748330).

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

117923560 is a wasteful number, since it uses less digits than its factorization.

117923560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 117923560 is about 10859.2614850182. The cubic root of 117923560 is about 490.3808783761.

The spelling of 117923560 in words is "one hundred seventeen million, nine hundred twenty-three thousand, five hundred sixty".