118423534680 has 256 divisors, whose sum is σ = 431412480000. Its totient is φ = 28656645120.

The previous prime is 118423534667. The next prime is 118423534693. The reversal of 118423534680 is 86435324811.

118423534680 is a `hidden beast` number, since 1 + 18 + 4 + 23 + 534 + 6 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (118423534667) and next prime (118423534693).

It is a super-2 number, since 2×118423534680² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 6750961 + ... + 6768479.

It is an arithmetic number, because the mean of its divisors is an integer number (1685205000).

Almost surely, 2^118423534680 is an apocalyptic number.

118423534680 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 118423534680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215706240000).

118423534680 is an abundant number, since it is smaller than the sum of its proper divisors (312988945320).

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

118423534680 is a wasteful number, since it uses less digits than its factorization.

118423534680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18119 (or 18109 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 118423534680 in words is "one hundred eighteen billion, four hundred twenty-three million, five hundred thirty-four thousand, six hundred eighty".