320044343 has 4 divisors (see below), whose sum is σ = 322083000. Its totient is φ = 318005688.

The previous prime is 320044289. The next prime is 320044367. The reversal of 320044343 is 343440023.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 320044343 - 2¹⁰ = 320043319 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 (320044393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019093 + ... + 1019406.

It is an arithmetic number, because the mean of its divisors is an integer number (80520750).

Almost surely, 2^320044343 is an apocalyptic number.

320044343 is a deficient number, since it is larger than the sum of its proper divisors (2038657).

320044343 is a wasteful number, since it uses less digits than its factorization.

320044343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038656.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 320044343 is about 17889.7832015930. The cubic root of 320044343 is about 684.0219711545.

Adding to 320044343 its reverse (343440023), we get a palindrome (663484366).

The spelling of 320044343 in words is "three hundred twenty million, forty-four thousand, three hundred forty-three".