423143224444 has 12 divisors (see below), whose sum is σ = 742912699144. Its totient is φ = 210882453264.

The previous prime is 423143224379. The next prime is 423143224447. The reversal of 423143224444 is 444422341324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423143224447) 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, 172288359 + ... + 172290814.

Almost surely, 2^423143224444 is an apocalyptic number.

It is an amenable number.

423143224444 is a deficient number, since it is larger than the sum of its proper divisors (319769474700).

423143224444 is a wasteful number, since it uses less digits than its factorization.

423143224444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344579484 (or 344579482 counting only the distinct ones).

The product of its digits is 294912, while the sum is 37.

Adding to 423143224444 its reverse (444422341324), we get a palindrome (867565565768).

The spelling of 423143224444 in words is "four hundred twenty-three billion, one hundred forty-three million, two hundred twenty-four thousand, four hundred forty-four".