117523644 has 48 divisors (see below), whose sum is σ = 320694528. Its totient is φ = 32796288.

The previous prime is 117523643. The next prime is 117523657. The reversal of 117523644 is 446325711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117523643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12657 + ... + 19880.

It is an arithmetic number, because the mean of its divisors is an integer number (6681136).

Almost surely, 2^117523644 is an apocalyptic number.

117523644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

117523644 is an abundant number, since it is smaller than the sum of its proper divisors (203170884).

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

117523644 is a wasteful number, since it uses less digits than its factorization.

117523644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32594 (or 32592 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 117523644 is about 10840.8322558741. The cubic root of 117523644 is about 489.8259051104.

The spelling of 117523644 in words is "one hundred seventeen million, five hundred twenty-three thousand, six hundred forty-four".