117823534140 has 48 divisors (see below), whose sum is σ = 355283274528. Its totient is φ = 29002715904.

The previous prime is 117823534111. The next prime is 117823534151. The reversal of 117823534140 is 41435328711.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 75527127 + ... + 75528686.

It is an arithmetic number, because the mean of its divisors is an integer number (7401734886).

Almost surely, 2^117823534140 is an apocalyptic number.

117823534140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117823534140 is an abundant number, since it is smaller than the sum of its proper divisors (237459740388).

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

117823534140 is a wasteful number, since it uses less digits than its factorization.

117823534140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151055838 (or 151055836 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 117823534140 in words is "one hundred seventeen billion, eight hundred twenty-three million, five hundred thirty-four thousand, one hundred forty".