143220223 has 8 divisors (see below), whose sum is σ = 153038160. Its totient is φ = 133557120.

The previous prime is 143220221. The next prime is 143220251. The reversal of 143220223 is 322022341.

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

It is a cyclic number.

It is not a de Polignac number, because 143220223 - 2¹ = 143220221 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 143220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143220221) 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 7 ways as a sum of consecutive naturals, for example, 36793 + ... + 40498.

It is an arithmetic number, because the mean of its divisors is an integer number (19129770).

Almost surely, 2^143220223 is an apocalyptic number.

143220223 is a deficient number, since it is larger than the sum of its proper divisors (9817937).

143220223 is a wasteful number, since it uses less digits than its factorization.

143220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77417.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 143220223 is about 11967.4651869141. The cubic root of 143220223 is about 523.2004576534.

Adding to 143220223 its reverse (322022341), we get a palindrome (465242564).

The spelling of 143220223 in words is "one hundred forty-three million, two hundred twenty thousand, two hundred twenty-three".