115203043 has 2 divisors, whose sum is σ = 115203044. Its totient is φ = 115203042.

The previous prime is 115203031. The next prime is 115203107. The reversal of 115203043 is 340302511.

It is a weak prime.

It is an emirp because it is prime and its reverse (340302511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115203043 is a prime.

It is a super-2 number, since 2×115203043² = 26543482232919698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115203043.

It is not a weakly prime, because it can be changed into another prime (115203443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57601521 + 57601522.

It is an arithmetic number, because the mean of its divisors is an integer number (57601522).

Almost surely, 2^115203043 is an apocalyptic number.

115203043 is a deficient number, since it is larger than the sum of its proper divisors (1).

115203043 is an equidigital number, since it uses as much as digits as its factorization.

115203043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 115203043 is about 10733.2680484557. The cubic root of 115203043 is about 486.5804439000.

Adding to 115203043 its reverse (340302511), we get a palindrome (455505554).

The spelling of 115203043 in words is "one hundred fifteen million, two hundred three thousand, forty-three".