168223223 has 6 divisors (see below), whose sum is σ = 195688296. Its totient is φ = 144191292.

The previous prime is 168223217. The next prime is 168223243. The reversal of 168223223 is 322322861.

It is not a de Polignac number, because 168223223 - 2¹⁰ = 168222199 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 (168223243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1716515 + ... + 1716612.

It is an arithmetic number, because the mean of its divisors is an integer number (32614716).

Almost surely, 2^168223223 is an apocalyptic number.

168223223 is a deficient number, since it is larger than the sum of its proper divisors (27465073).

168223223 is an equidigital number, since it uses as much as digits as its factorization.

168223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433141 (or 3433134 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 168223223 is about 12970.0895525050. The cubic root of 168223223 is about 552.0291141526.

The spelling of 168223223 in words is "one hundred sixty-eight million, two hundred twenty-three thousand, two hundred twenty-three".