118506523223 has 4 divisors (see below), whose sum is σ = 129279843528. Its totient is φ = 107733202920.

The previous prime is 118506523199. The next prime is 118506523243. The reversal of 118506523223 is 322325605811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118506523223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118506523243) 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 in 3 ways as a sum of consecutive naturals, for example, 5386660136 + ... + 5386660157.

It is an arithmetic number, because the mean of its divisors is an integer number (32319960882).

Almost surely, 2^118506523223 is an apocalyptic number.

118506523223 is a deficient number, since it is larger than the sum of its proper divisors (10773320305).

118506523223 is a wasteful number, since it uses less digits than its factorization.

118506523223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10773320304.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 118506523223 in words is "one hundred eighteen billion, five hundred six million, five hundred twenty-three thousand, two hundred twenty-three".