118723180 has 48 divisors (see below), whose sum is σ = 262289664. Its totient is φ = 45077760.

The previous prime is 118723151. The next prime is 118723181. The reversal of 118723180 is 81327811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (118723181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31054 + ... + 34666.

It is an arithmetic number, because the mean of its divisors is an integer number (5464368).

Almost surely, 2^118723180 is an apocalyptic number.

118723180 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 118723180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131144832).

118723180 is an abundant number, since it is smaller than the sum of its proper divisors (143566484).

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

118723180 is a wasteful number, since it uses less digits than its factorization.

118723180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706 (or 3704 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 118723180 is about 10896.0167033646. The cubic root of 118723180 is about 491.4867794794.

The spelling of 118723180 in words is "one hundred eighteen million, seven hundred twenty-three thousand, one hundred eighty".