320403010343 has 16 divisors (see below), whose sum is σ = 357438943680. Its totient is φ = 285165086976.

The previous prime is 320403010273. The next prime is 320403010381. The reversal of 320403010343 is 343010304023.

It is not a de Polignac number, because 320403010343 - 2¹⁸ = 320402748199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320403010043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310430 + ... + 858587.

It is an arithmetic number, because the mean of its divisors is an integer number (22339933980).

Almost surely, 2^320403010343 is an apocalyptic number.

320403010343 is a deficient number, since it is larger than the sum of its proper divisors (37035933337).

320403010343 is a wasteful number, since it uses less digits than its factorization.

320403010343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169786.

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

Adding to 320403010343 its reverse (343010304023), we get a palindrome (663413314366).

The spelling of 320403010343 in words is "three hundred twenty billion, four hundred three million, ten thousand, three hundred forty-three".