168687323 has 16 divisors (see below), whose sum is σ = 199220736. Its totient is φ = 139829760.

The previous prime is 168687317. The next prime is 168687331. The reversal of 168687323 is 323786861.

It is not a de Polignac number, because 168687323 - 2¹⁰ = 168686299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168687353) 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, 28283 + ... + 33723.

It is an arithmetic number, because the mean of its divisors is an integer number (12451296).

Almost surely, 2^168687323 is an apocalyptic number.

168687323 is a deficient number, since it is larger than the sum of its proper divisors (30533413).

168687323 is a wasteful number, since it uses less digits than its factorization.

168687323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594.

The product of its digits is 290304, while the sum is 44.

The square root of 168687323 is about 12987.9683938636. The cubic root of 168687323 is about 552.5363003115.

The spelling of 168687323 in words is "one hundred sixty-eight million, six hundred eighty-seven thousand, three hundred twenty-three".