163329223 has 2 divisors, whose sum is σ = 163329224. Its totient is φ = 163329222.

The previous prime is 163329203. The next prime is 163329241. The reversal of 163329223 is 322923361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163329223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163329203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81664611 + 81664612.

It is an arithmetic number, because the mean of its divisors is an integer number (81664612).

Almost surely, 2^163329223 is an apocalyptic number.

163329223 is a deficient number, since it is larger than the sum of its proper divisors (1).

163329223 is an equidigital number, since it uses as much as digits as its factorization.

163329223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 163329223 is about 12780.0321987075. The cubic root of 163329223 is about 546.6230805440.

The spelling of 163329223 in words is "one hundred sixty-three million, three hundred twenty-nine thousand, two hundred twenty-three".