143320343 has 4 divisors (see below), whose sum is σ = 146369760. Its totient is φ = 140270928.

The previous prime is 143320279. The next prime is 143320357. The reversal of 143320343 is 343023341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343023341 = 43 ⋅7977287.

It is a cyclic number.

It is not a de Polignac number, because 143320343 - 2⁶ = 143320279 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 (143320393) 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 3 ways as a sum of consecutive naturals, for example, 1524638 + ... + 1524731.

It is an arithmetic number, because the mean of its divisors is an integer number (36592440).

Almost surely, 2^143320343 is an apocalyptic number.

143320343 is a deficient number, since it is larger than the sum of its proper divisors (3049417).

143320343 is an equidigital number, since it uses as much as digits as its factorization.

143320343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049416.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 143320343 is about 11971.6474639040. The cubic root of 143320343 is about 523.3223459993.

Adding to 143320343 its reverse (343023341), we get a palindrome (486343684).

The spelling of 143320343 in words is "one hundred forty-three million, three hundred twenty thousand, three hundred forty-three".