115123011523 has 16 divisors (see below), whose sum is σ = 129220489216. Its totient is φ = 101840937120.

The previous prime is 115123011503. The next prime is 115123011527. The reversal of 115123011523 is 325110321511.

It is a de Polignac number, because none of the positive numbers 2^k-115123011523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115123011527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345215 + ... + 1428232.

It is an arithmetic number, because the mean of its divisors is an integer number (8076280576).

Almost surely, 2^115123011523 is an apocalyptic number.

115123011523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115123011523 is a deficient number, since it is larger than the sum of its proper divisors (14097477693).

115123011523 is a wasteful number, since it uses less digits than its factorization.

115123011523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773594.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 115123011523 in words is "one hundred fifteen billion, one hundred twenty-three million, eleven thousand, five hundred twenty-three".