115343203 has 4 divisors (see below), whose sum is σ = 115481520. Its totient is φ = 115204888.

The previous prime is 115343153. The next prime is 115343213. The reversal of 115343203 is 302343511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302343511 = 61 ⋅4956451.

It is a cyclic number.

It is not a de Polignac number, because 115343203 - 2²¹ = 113246051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115343213) 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, 67900 + ... + 69577.

It is an arithmetic number, because the mean of its divisors is an integer number (28870380).

Almost surely, 2^115343203 is an apocalyptic number.

115343203 is a deficient number, since it is larger than the sum of its proper divisors (138317).

115343203 is an equidigital number, since it uses as much as digits as its factorization.

115343203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138316.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 115343203 is about 10739.7952960008. The cubic root of 115343203 is about 486.7776941176. Note that the first 3 decimals are identical.

Adding to 115343203 its reverse (302343511), we get a palindrome (417686714).

The spelling of 115343203 in words is "one hundred fifteen million, three hundred forty-three thousand, two hundred three".