143423424 has 168 divisors, whose sum is σ = 442679328. Its totient is φ = 44236800.

The previous prime is 143423417. The next prime is 143423429. The reversal of 143423424 is 424324341.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143423429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949749 + ... + 949899.

It is an arithmetic number, because the mean of its divisors is an integer number (2634996).

Almost surely, 2^143423424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143423424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221339664).

143423424 is an abundant number, since it is smaller than the sum of its proper divisors (299255904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143423424 is a wasteful number, since it uses less digits than its factorization.

143423424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 270 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 143423424 is about 11975.9519037110. The cubic root of 143423424 is about 523.4477798394.

Adding to 143423424 its reverse (424324341), we get a palindrome (567747765).

It can be divided in two parts, 14342 and 3424, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 143423424 in words is "one hundred forty-three million, four hundred twenty-three thousand, four hundred twenty-four".