115643303 has 4 divisors (see below), whose sum is σ = 116835600. Its totient is φ = 114451008.

The previous prime is 115643267. The next prime is 115643327. The reversal of 115643303 is 303346511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115643303 - 2⁶ = 115643239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115646303) 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, 596003 + ... + 596196.

It is an arithmetic number, because the mean of its divisors is an integer number (29208900).

Almost surely, 2^115643303 is an apocalyptic number.

115643303 is a deficient number, since it is larger than the sum of its proper divisors (1192297).

115643303 is an equidigital number, since it uses as much as digits as its factorization.

115643303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192296.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 115643303 is about 10753.7576223383. The cubic root of 115643303 is about 487.1994946599.

Adding to 115643303 its reverse (303346511), we get a palindrome (418989814).

The spelling of 115643303 in words is "one hundred fifteen million, six hundred forty-three thousand, three hundred three".