243302223 has 8 divisors (see below), whose sum is σ = 326551936. Its totient is φ = 161127000.

The previous prime is 243302207. The next prime is 243302231. The reversal of 243302223 is 322203342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243302223 - 2⁴ = 243302207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243302223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243302203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268093 + ... + 268998.

It is an arithmetic number, because the mean of its divisors is an integer number (40818992).

Almost surely, 2^243302223 is an apocalyptic number.

243302223 is a deficient number, since it is larger than the sum of its proper divisors (83249713).

243302223 is a wasteful number, since it uses less digits than its factorization.

243302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537245.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 243302223 is about 15598.1480631516. The cubic root of 243302223 is about 624.2837431019.

Adding to 243302223 its reverse (322203342), we get a palindrome (565505565).

The spelling of 243302223 in words is "two hundred forty-three million, three hundred two thousand, two hundred twenty-three".