115831233 has 12 divisors (see below), whose sum is σ = 191213568. Its totient is φ = 66189240.

The previous prime is 115831211. The next prime is 115831241. The reversal of 115831233 is 332138511.

It is not a de Polignac number, because 115831233 - 2⁶ = 115831169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115831197 and 115831206.

It is not an unprimeable number, because it can be changed into a prime (115830233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 919233 + ... + 919358.

It is an arithmetic number, because the mean of its divisors is an integer number (15934464).

Almost surely, 2^115831233 is an apocalyptic number.

It is an amenable number.

115831233 is a deficient number, since it is larger than the sum of its proper divisors (75382335).

115831233 is a wasteful number, since it uses less digits than its factorization.

115831233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838604 (or 1838601 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 115831233 is about 10762.4919512165. The cubic root of 115831233 is about 487.4632650821.

Adding to 115831233 its reverse (332138511), we get a palindrome (447969744).

The spelling of 115831233 in words is "one hundred fifteen million, eight hundred thirty-one thousand, two hundred thirty-three".