163734223 has 4 divisors (see below), whose sum is σ = 163777600. Its totient is φ = 163690848.

The previous prime is 163734199. The next prime is 163734253. The reversal of 163734223 is 322437361.

163734223 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163734223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163734253) 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, 15423 + ... + 23776.

It is an arithmetic number, because the mean of its divisors is an integer number (40944400).

Almost surely, 2^163734223 is an apocalyptic number.

163734223 is a deficient number, since it is larger than the sum of its proper divisors (43377).

163734223 is an equidigital number, since it uses as much as digits as its factorization.

163734223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43376.

The product of its digits is 18144, while the sum is 31.

The square root of 163734223 is about 12795.8674188192. The cubic root of 163734223 is about 547.0745196912.

The spelling of 163734223 in words is "one hundred sixty-three million, seven hundred thirty-four thousand, two hundred twenty-three".