118320723864 has 256 divisors, whose sum is σ = 395062272000. Its totient is φ = 32097461760.

The previous prime is 118320723847. The next prime is 118320723887. The reversal of 118320723864 is 468327023811.

118320723864 is a `hidden beast` number, since 1 + 183 + 20 + 72 + 386 + 4 = 666.

118320723864 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2460402 + ... + 2508030.

It is an arithmetic number, because the mean of its divisors is an integer number (1543212000).

Almost surely, 2^118320723864 is an apocalyptic number.

118320723864 is a gapful number since it is divisible by the number (14) 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 118320723864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197531136000).

118320723864 is an abundant number, since it is smaller than the sum of its proper divisors (276741548136).

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

118320723864 is a wasteful number, since it uses less digits than its factorization.

118320723864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47735 (or 47725 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 118320723864 in words is "one hundred eighteen billion, three hundred twenty million, seven hundred twenty-three thousand, eight hundred sixty-four".