118323171 has 12 divisors (see below), whose sum is σ = 175080360. Its totient is φ = 76957920.

The previous prime is 118323113. The next prime is 118323173. The reversal of 118323171 is 171323811.

It is a happy number.

It is not a de Polignac number, because 118323171 - 2¹⁰ = 118322147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118323173) 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 11 ways as a sum of consecutive naturals, for example, 159961 + ... + 160698.

It is an arithmetic number, because the mean of its divisors is an integer number (14590030).

Almost surely, 2^118323171 is an apocalyptic number.

118323171 is a deficient number, since it is larger than the sum of its proper divisors (56757189).

118323171 is a wasteful number, since it uses less digits than its factorization.

118323171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320706 (or 320703 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 118323171 is about 10877.6454713325. The cubic root of 118323171 is about 490.9341765052.

Adding to 118323171 its reverse (171323811), we get a palindrome (289646982).

The spelling of 118323171 in words is "one hundred eighteen million, three hundred twenty-three thousand, one hundred seventy-one".