168207323 has 4 divisors (see below), whose sum is σ = 177060360. Its totient is φ = 159354288.

The previous prime is 168207293. The next prime is 168207331. The reversal of 168207323 is 323702861.

It is a happy number.

168207323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323702861 = 12959 ⋅24979.

It is a cyclic number.

It is not a de Polignac number, because 168207323 - 2¹⁸ = 167945179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168207323.

It is not an unprimeable number, because it can be changed into a prime (168207223) 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, 4426490 + ... + 4426527.

It is an arithmetic number, because the mean of its divisors is an integer number (44265090).

Almost surely, 2^168207323 is an apocalyptic number.

168207323 is a deficient number, since it is larger than the sum of its proper divisors (8853037).

168207323 is an equidigital number, since it uses as much as digits as its factorization.

168207323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853036.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 168207323 is about 12969.4765892845. The cubic root of 168207323 is about 552.0117215095.

The spelling of 168207323 in words is "one hundred sixty-eight million, two hundred seven thousand, three hundred twenty-three".