143424311 has 4 divisors (see below), whose sum is σ = 143953824. Its totient is φ = 142894800.

The previous prime is 143424289. The next prime is 143424317. The reversal of 143424311 is 113424341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143424311 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 (143424317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264350 + ... + 264891.

It is an arithmetic number, because the mean of its divisors is an integer number (35988456).

Almost surely, 2^143424311 is an apocalyptic number.

143424311 is a deficient number, since it is larger than the sum of its proper divisors (529513).

143424311 is an equidigital number, since it uses as much as digits as its factorization.

143424311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529512.

The product of its digits is 1152, while the sum is 23.

The square root of 143424311 is about 11975.9889362006. The cubic root of 143424311 is about 523.4488589221.

Adding to 143424311 its reverse (113424341), we get a palindrome (256848652).

The spelling of 143424311 in words is "one hundred forty-three million, four hundred twenty-four thousand, three hundred eleven".