118517303523 has 32 divisors (see below), whose sum is σ = 170319283200. Its totient is φ = 73064660256.

The previous prime is 118517303519. The next prime is 118517303621. The reversal of 118517303523 is 325303715811.

It is not a de Polignac number, because 118517303523 - 2² = 118517303519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118517303503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3953236 + ... + 3983102.

It is an arithmetic number, because the mean of its divisors is an integer number (5322477600).

Almost surely, 2^118517303523 is an apocalyptic number.

118517303523 is a deficient number, since it is larger than the sum of its proper divisors (51801979677).

118517303523 is a wasteful number, since it uses less digits than its factorization.

118517303523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31551.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 118517303523 in words is "one hundred eighteen billion, five hundred seventeen million, three hundred three thousand, five hundred twenty-three".