320023105243 has 2 divisors, whose sum is σ = 320023105244. Its totient is φ = 320023105242.

The previous prime is 320023105211. The next prime is 320023105249. The reversal of 320023105243 is 342501320023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320023105243 - 2⁵ = 320023105211 is a prime.

It is not a weakly prime, because it can be changed into another prime (320023105249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160011552621 + 160011552622.

It is an arithmetic number, because the mean of its divisors is an integer number (160011552622).

Almost surely, 2^320023105243 is an apocalyptic number.

320023105243 is a deficient number, since it is larger than the sum of its proper divisors (1).

320023105243 is an equidigital number, since it uses as much as digits as its factorization.

320023105243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 320023105243 its reverse (342501320023), we get a palindrome (662524425266).

The spelling of 320023105243 in words is "three hundred twenty billion, twenty-three million, one hundred five thousand, two hundred forty-three".