320023404343 has 2 divisors, whose sum is σ = 320023404344. Its totient is φ = 320023404342.

The previous prime is 320023404317. The next prime is 320023404353. The reversal of 320023404343 is 343404320023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320023404343 - 2²¹ = 320021307191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320023404353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160011702171 + 160011702172.

It is an arithmetic number, because the mean of its divisors is an integer number (160011702172).

Almost surely, 2^320023404343 is an apocalyptic number.

320023404343 is a deficient number, since it is larger than the sum of its proper divisors (1).

320023404343 is an equidigital number, since it uses as much as digits as its factorization.

320023404343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 320023404343 its reverse (343404320023), we get a palindrome (663427724366).

The spelling of 320023404343 in words is "three hundred twenty billion, twenty-three million, four hundred four thousand, three hundred forty-three".