115573438968123 has 4 divisors (see below), whose sum is σ = 154097918624168. Its totient is φ = 77048959312080.

The previous prime is 115573438968077. The next prime is 115573438968133. The reversal of 115573438968123 is 321869834375511.

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

It is not a de Polignac number, because 115573438968123 - 2⁹ = 115573438967611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115573438968133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19262239828018 + ... + 19262239828023.

It is an arithmetic number, because the mean of its divisors is an integer number (38524479656042).

Almost surely, 2^{115573438968123} is an apocalyptic number.

115573438968123 is a deficient number, since it is larger than the sum of its proper divisors (38524479656045).

115573438968123 is an equidigital number, since it uses as much as digits as its factorization.

115573438968123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38524479656044.

The product of its digits is 130636800, while the sum is 66.

The spelling of 115573438968123 in words is "one hundred fifteen trillion, five hundred seventy-three billion, four hundred thirty-eight million, nine hundred sixty-eight thousand, one hundred twenty-three".