162173223 has 12 divisors (see below), whose sum is σ = 237460080. Its totient is φ = 106634016.

The previous prime is 162173177. The next prime is 162173243. The reversal of 162173223 is 322371261.

162173223 is a `hidden beast` number, since 1 + 621 + 7 + 32 + 2 + 3 = 666.

It is not a de Polignac number, because 162173223 - 2⁹ = 162172711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162173243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122763 + ... + 124076.

It is an arithmetic number, because the mean of its divisors is an integer number (19788340).

Almost surely, 2^162173223 is an apocalyptic number.

162173223 is a deficient number, since it is larger than the sum of its proper divisors (75286857).

162173223 is a wasteful number, since it uses less digits than its factorization.

162173223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246918 (or 246915 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 162173223 is about 12734.7250853719. The cubic root of 162173223 is about 545.3304093039.

The spelling of 162173223 in words is "one hundred sixty-two million, one hundred seventy-three thousand, two hundred twenty-three".