115523563 has 2 divisors, whose sum is σ = 115523564. Its totient is φ = 115523562.

The previous prime is 115523531. The next prime is 115523567. The reversal of 115523563 is 365325511.

It is a strong prime.

It is an emirp because it is prime and its reverse (365325511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115523563 - 2⁵ = 115523531 is a prime.

It is not a weakly prime, because it can be changed into another prime (115523567) 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, 57761781 + 57761782.

It is an arithmetic number, because the mean of its divisors is an integer number (57761782).

Almost surely, 2^115523563 is an apocalyptic number.

115523563 is a deficient number, since it is larger than the sum of its proper divisors (1).

115523563 is an equidigital number, since it uses as much as digits as its factorization.

115523563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 31.

The square root of 115523563 is about 10748.1888241694. The cubic root of 115523563 is about 487.0312836980.

The spelling of 115523563 in words is "one hundred fifteen million, five hundred twenty-three thousand, five hundred sixty-three".