117723648 has 80 divisors (see below), whose sum is σ = 358459200. Its totient is φ = 33632256.

The previous prime is 117723643. The next prime is 117723679. The reversal of 117723648 is 846327711.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (117723643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5278 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (4480740).

Almost surely, 2^117723648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117723648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179229600).

117723648 is an abundant number, since it is smaller than the sum of its proper divisors (240735552).

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

117723648 is an equidigital number, since it uses as much as digits as its factorization.

117723648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10977 (or 10961 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 117723648 is about 10850.0529030968. The cubic root of 117723648 is about 490.1036126858.

The spelling of 117723648 in words is "one hundred seventeen million, seven hundred twenty-three thousand, six hundred forty-eight".