143313423 has 16 divisors (see below), whose sum is σ = 208656000. Its totient is φ = 86773280.

The previous prime is 143313413. The next prime is 143313439. The reversal of 143313423 is 324313341.

It is a de Polignac number, because none of the positive numbers 2^k-143313423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143313393 and 143313402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143313413) 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, 67228 + ... + 69326.

It is an arithmetic number, because the mean of its divisors is an integer number (13041000).

Almost surely, 2^143313423 is an apocalyptic number.

143313423 is a deficient number, since it is larger than the sum of its proper divisors (65342577).

143313423 is a wasteful number, since it uses less digits than its factorization.

143313423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182.

The product of its digits is 2592, while the sum is 24.

The square root of 143313423 is about 11971.3584442201. The cubic root of 143313423 is about 523.3139232617.

Adding to 143313423 its reverse (324313341), we get a palindrome (467626764).

The spelling of 143313423 in words is "one hundred forty-three million, three hundred thirteen thousand, four hundred twenty-three".