143311323 has 16 divisors (see below), whose sum is σ = 196816896. Its totient is φ = 92688480.

The previous prime is 143311313. The next prime is 143311351. The reversal of 143311323 is 323113341.

It is not a de Polignac number, because 143311323 - 2⁴ = 143311307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143311323.

It is not an unprimeable number, because it can be changed into a prime (143311313) 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 15 ways as a sum of consecutive naturals, for example, 40828 + ... + 44198.

It is an arithmetic number, because the mean of its divisors is an integer number (12301056).

Almost surely, 2^143311323 is an apocalyptic number.

143311323 is a deficient number, since it is larger than the sum of its proper divisors (53505573).

143311323 is a wasteful number, since it uses less digits than its factorization.

143311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794.

The product of its digits is 648, while the sum is 21.

The square root of 143311323 is about 11971.2707345545. The cubic root of 143311323 is about 523.3113671750.

Adding to 143311323 its reverse (323113341), we get a palindrome (466424664).

The spelling of 143311323 in words is "one hundred forty-three million, three hundred eleven thousand, three hundred twenty-three".