118231233 has 4 divisors (see below), whose sum is σ = 157641648. Its totient is φ = 78820820.

The previous prime is 118231229. The next prime is 118231261. The reversal of 118231233 is 332132811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118231233 - 2² = 118231229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118231033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19705203 + ... + 19705208.

It is an arithmetic number, because the mean of its divisors is an integer number (39410412).

Almost surely, 2^118231233 is an apocalyptic number.

It is an amenable number.

118231233 is a deficient number, since it is larger than the sum of its proper divisors (39410415).

118231233 is an equidigital number, since it uses as much as digits as its factorization.

118231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39410414.

The product of its digits is 864, while the sum is 24.

The square root of 118231233 is about 10873.4186436465. The cubic root of 118231233 is about 490.8069903669.

The spelling of 118231233 in words is "one hundred eighteen million, two hundred thirty-one thousand, two hundred thirty-three".