143223628 has 12 divisors (see below), whose sum is σ = 252042840. Its totient is φ = 71211392.

The previous prime is 143223557. The next prime is 143223629. The reversal of 143223628 is 826322341.

It is a self number, because there is not a number n which added to its sum of digits gives 143223628.

It is not an unprimeable number, because it can be changed into a prime (143223629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99301 + ... + 100732.

It is an arithmetic number, because the mean of its divisors is an integer number (21003570).

Almost surely, 2^143223628 is an apocalyptic number.

It is an amenable number.

143223628 is a deficient number, since it is larger than the sum of its proper divisors (108819212).

143223628 is a wasteful number, since it uses less digits than its factorization.

143223628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200216 (or 200214 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 143223628 is about 11967.6074467706. The cubic root of 143223628 is about 523.2046039101.

Adding to 143223628 its reverse (826322341), we get a palindrome (969545969).

The spelling of 143223628 in words is "one hundred forty-three million, two hundred twenty-three thousand, six hundred twenty-eight".