118423740 has 48 divisors (see below), whose sum is σ = 336268800. Its totient is φ = 31133760.

The previous prime is 118423709. The next prime is 118423769. The reversal of 118423740 is 47324811.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 118423698 and 118423707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9640 + ... + 18159.

It is an arithmetic number, because the mean of its divisors is an integer number (7005600).

Almost surely, 2^118423740 is an apocalyptic number.

118423740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118423740 is an abundant number, since it is smaller than the sum of its proper divisors (217845060).

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

118423740 is a wasteful number, since it uses less digits than its factorization.

118423740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27882 (or 27880 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 118423740 is about 10882.2672270074. The cubic root of 118423740 is about 491.0732272570.

The spelling of 118423740 in words is "one hundred eighteen million, four hundred twenty-three thousand, seven hundred forty".