168485447323 has 4 divisors (see below), whose sum is σ = 171000155560. Its totient is φ = 165970739088.

The previous prime is 168485447311. The next prime is 168485447353. The reversal of 168485447323 is 323744584861.

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

It is a cyclic number.

It is not a de Polignac number, because 168485447323 - 2³³ = 159895512731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168485447303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257354018 + ... + 1257354151.

It is an arithmetic number, because the mean of its divisors is an integer number (42750038890).

Almost surely, 2^168485447323 is an apocalyptic number.

168485447323 is a deficient number, since it is larger than the sum of its proper divisors (2514708237).

168485447323 is an equidigital number, since it uses as much as digits as its factorization.

168485447323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514708236.

The product of its digits is 15482880, while the sum is 55.

The spelling of 168485447323 in words is "one hundred sixty-eight billion, four hundred eighty-five million, four hundred forty-seven thousand, three hundred twenty-three".