115428233 has 4 divisors (see below), whose sum is σ = 115466388. Its totient is φ = 115390080.

The previous prime is 115428227. The next prime is 115428239. The reversal of 115428233 is 332824511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332824511 = 41 ⋅8117671.

It is an interprime number because it is at equal distance from previous prime (115428227) and next prime (115428239).

It can be written as a sum of positive squares in 2 ways, for example, as 64048009 + 51380224 = 8003^2 + 7168^2 .

It is a cyclic number.

It is not a de Polignac number, because 115428233 - 2⁴ = 115428217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115428196 and 115428205.

It is not an unprimeable number, because it can be changed into a prime (115428239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14108 + ... + 20733.

It is an arithmetic number, because the mean of its divisors is an integer number (28866597).

Almost surely, 2^115428233 is an apocalyptic number.

It is an amenable number.

115428233 is a deficient number, since it is larger than the sum of its proper divisors (38155).

115428233 is an equidigital number, since it uses as much as digits as its factorization.

115428233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38154.

The product of its digits is 5760, while the sum is 29.

The square root of 115428233 is about 10743.7532082601. The cubic root of 115428233 is about 486.8972808219.

The spelling of 115428233 in words is "one hundred fifteen million, four hundred twenty-eight thousand, two hundred thirty-three".