118865233 has 4 divisors (see below), whose sum is σ = 118887268. Its totient is φ = 118843200.

The previous prime is 118865203. The next prime is 118865239. The reversal of 118865233 is 332568811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332568811 = 9203 ⋅36137.

It can be written as a sum of positive squares in 2 ways, for example, as 61968384 + 56896849 = 7872^2 + 7543^2 .

It is a cyclic number.

It is not a de Polignac number, because 118865233 - 2²¹ = 116768081 is a prime.

It is a super-2 number, since 2×118865233² = 28257887232288578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118865192 and 118865201.

It is not an unprimeable number, because it can be changed into a prime (118865239) 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, 3133 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (29721817).

Almost surely, 2^118865233 is an apocalyptic number.

It is an amenable number.

118865233 is a deficient number, since it is larger than the sum of its proper divisors (22035).

118865233 is an equidigital number, since it uses as much as digits as its factorization.

118865233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22034.

The product of its digits is 34560, while the sum is 37.

The square root of 118865233 is about 10902.5333294606. The cubic root of 118865233 is about 491.6827236481.

The spelling of 118865233 in words is "one hundred eighteen million, eight hundred sixty-five thousand, two hundred thirty-three".