115897538323 has 16 divisors (see below), whose sum is σ = 133685950464. Its totient is φ = 98419538880.

The previous prime is 115897538311. The next prime is 115897538329. The reversal of 115897538323 is 323835798511.

It is a cyclic number.

It is not a de Polignac number, because 115897538323 - 2¹³ = 115897530131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115897538329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452511 + ... + 660727.

It is an arithmetic number, because the mean of its divisors is an integer number (8355371904).

Almost surely, 2^115897538323 is an apocalyptic number.

115897538323 is a deficient number, since it is larger than the sum of its proper divisors (17788412141).

115897538323 is a wasteful number, since it uses less digits than its factorization.

115897538323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208962.

The product of its digits is 5443200, while the sum is 55.

The spelling of 115897538323 in words is "one hundred fifteen billion, eight hundred ninety-seven million, five hundred thirty-eight thousand, three hundred twenty-three".