118831233 has 16 divisors (see below), whose sum is σ = 162338816. Its totient is φ = 77293440.

The previous prime is 118831217. The next prime is 118831253. The reversal of 118831233 is 332138811.

It is not a de Polignac number, because 118831233 - 2⁴ = 118831217 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118831233.

It is not an unprimeable number, because it can be changed into a prime (118831213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20685 + ... + 25797.

It is an arithmetic number, because the mean of its divisors is an integer number (10146176).

Almost surely, 2^118831233 is an apocalyptic number.

It is an amenable number.

118831233 is a deficient number, since it is larger than the sum of its proper divisors (43507583).

118831233 is a wasteful number, since it uses less digits than its factorization.

118831233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304.

The product of its digits is 3456, while the sum is 30.

The square root of 118831233 is about 10900.9739473131. The cubic root of 118831233 is about 491.6358391601.

The spelling of 118831233 in words is "one hundred eighteen million, eight hundred thirty-one thousand, two hundred thirty-three".