223305273 has 12 divisors (see below), whose sum is σ = 324533040. Its totient is φ = 147955896.

The previous prime is 223305241. The next prime is 223305301. The reversal of 223305273 is 372503322.

It is not a de Polignac number, because 223305273 - 2⁵ = 223305241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223305223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74643 + ... + 77576.

It is an arithmetic number, because the mean of its divisors is an integer number (27044420).

Almost surely, 2^223305273 is an apocalyptic number.

It is an amenable number.

223305273 is a deficient number, since it is larger than the sum of its proper divisors (101227767).

223305273 is a wasteful number, since it uses less digits than its factorization.

223305273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152388 (or 152385 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 223305273 is about 14943.4023234336. The cubic root of 223305273 is about 606.6892869170.

Adding to 223305273 its reverse (372503322), we get a palindrome (595808595).

The spelling of 223305273 in words is "two hundred twenty-three million, three hundred five thousand, two hundred seventy-three".