118423906 has 8 divisors (see below), whose sum is σ = 183366144. Its totient is φ = 57301860.

The previous prime is 118423891. The next prime is 118423931. The reversal of 118423906 is 609324811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954970 + ... + 955093.

It is an arithmetic number, because the mean of its divisors is an integer number (22920768).

Almost surely, 2^118423906 is an apocalyptic number.

118423906 is a deficient number, since it is larger than the sum of its proper divisors (64942238).

118423906 is a wasteful number, since it uses less digits than its factorization.

118423906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910096.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 118423906 is about 10882.2748540919. The cubic root of 118423906 is about 491.0734567102.

The spelling of 118423906 in words is "one hundred eighteen million, four hundred twenty-three thousand, nine hundred six".