168348223 has 4 divisors (see below), whose sum is σ = 168545520. Its totient is φ = 168150928.

The previous prime is 168348209. The next prime is 168348233. The reversal of 168348223 is 322843861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322843861 = 1933 ⋅167017.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168348223 is a prime.

It is a super-2 number, since 2×168348223² = 56682248374515458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168348233) 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 3 ways as a sum of consecutive naturals, for example, 97363 + ... + 99076.

It is an arithmetic number, because the mean of its divisors is an integer number (42136380).

Almost surely, 2^168348223 is an apocalyptic number.

168348223 is a deficient number, since it is larger than the sum of its proper divisors (197297).

168348223 is an equidigital number, since it uses as much as digits as its factorization.

168348223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197296.

The product of its digits is 55296, while the sum is 37.

The square root of 168348223 is about 12974.9074370494. The cubic root of 168348223 is about 552.1658106083.

The spelling of 168348223 in words is "one hundred sixty-eight million, three hundred forty-eight thousand, two hundred twenty-three".