143444423 has 6 divisors (see below), whose sum is σ = 146580336. Its totient is φ = 140312052.

The previous prime is 143444417. The next prime is 143444443. The reversal of 143444423 is 324444341.

It is a happy number.

It is not a de Polignac number, because 143444423 - 2⁶ = 143444359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143444443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81236 + ... + 82982.

It is an arithmetic number, because the mean of its divisors is an integer number (24430056).

Almost surely, 2^143444423 is an apocalyptic number.

143444423 is a deficient number, since it is larger than the sum of its proper divisors (3135913).

143444423 is an frugal number, since it uses more digits than its factorization.

143444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 1794 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 143444423 is about 11976.8285869006. The cubic root of 143444423 is about 523.4733250472.

Adding to 143444423 its reverse (324444341), we get a palindrome (467888764).

The spelling of 143444423 in words is "one hundred forty-three million, four hundred forty-four thousand, four hundred twenty-three".