168868923 has 8 divisors (see below), whose sum is σ = 228849936. Its totient is φ = 110733600.

The previous prime is 168868907. The next prime is 168868927. The reversal of 168868923 is 329868861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168868923 - 2⁴ = 168868907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168868927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461208 + ... + 461573.

It is an arithmetic number, because the mean of its divisors is an integer number (28606242).

Almost surely, 2^168868923 is an apocalyptic number.

168868923 is a deficient number, since it is larger than the sum of its proper divisors (59981013).

168868923 is an equidigital number, since it uses as much as digits as its factorization.

168868923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922845.

The product of its digits is 995328, while the sum is 51.

The square root of 168868923 is about 12994.9575990074. The cubic root of 168868923 is about 552.7345064851.

The spelling of 168868923 in words is "one hundred sixty-eight million, eight hundred sixty-eight thousand, nine hundred twenty-three".