143230223 has 4 divisors (see below), whose sum is σ = 149457648. Its totient is φ = 137002800.

The previous prime is 143230207. The next prime is 143230237. The reversal of 143230223 is 322032341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143230223 - 2⁴ = 143230207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143230195 and 143230204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143230123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3113678 + ... + 3113723.

It is an arithmetic number, because the mean of its divisors is an integer number (37364412).

Almost surely, 2^143230223 is an apocalyptic number.

143230223 is a deficient number, since it is larger than the sum of its proper divisors (6227425).

143230223 is an equidigital number, since it uses as much as digits as its factorization.

143230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227424.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 143230223 is about 11967.8829790402. The cubic root of 143230223 is about 523.2126344319.

Adding to 143230223 its reverse (322032341), we get a palindrome (465262564).

The spelling of 143230223 in words is "one hundred forty-three million, two hundred thirty thousand, two hundred twenty-three".