143112423 has 16 divisors (see below), whose sum is σ = 193729536. Its totient is φ = 93962400.

The previous prime is 143112421. The next prime is 143112433. The reversal of 143112423 is 324211341.

It is not a de Polignac number, because 143112423 - 2¹ = 143112421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143112423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143112421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59698 + ... + 62048.

It is an arithmetic number, because the mean of its divisors is an integer number (12108096).

Almost surely, 2^143112423 is an apocalyptic number.

143112423 is a deficient number, since it is larger than the sum of its proper divisors (50617113).

143112423 is a wasteful number, since it uses less digits than its factorization.

143112423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654.

The product of its digits is 576, while the sum is 21.

The square root of 143112423 is about 11962.9604613574. The cubic root of 143112423 is about 523.0691559772.

Adding to 143112423 its reverse (324211341), we get a palindrome (467323764).

The spelling of 143112423 in words is "one hundred forty-three million, one hundred twelve thousand, four hundred twenty-three".