163308223 has 4 divisors (see below), whose sum is σ = 175870408. Its totient is φ = 150746040.

The previous prime is 163308209. The next prime is 163308241. The reversal of 163308223 is 322803361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163308223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163308191 and 163308200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163308203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6281073 + ... + 6281098.

It is an arithmetic number, because the mean of its divisors is an integer number (43967602).

Almost surely, 2^163308223 is an apocalyptic number.

163308223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

163308223 is a deficient number, since it is larger than the sum of its proper divisors (12562185).

163308223 is a wasteful number, since it uses less digits than its factorization.

163308223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562184.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 163308223 is about 12779.2105781226. The cubic root of 163308223 is about 546.5996522469.

The spelling of 163308223 in words is "one hundred sixty-three million, three hundred eight thousand, two hundred twenty-three".