320042715943 has 2 divisors, whose sum is σ = 320042715944. Its totient is φ = 320042715942.

The previous prime is 320042715913. The next prime is 320042715947. The reversal of 320042715943 is 349517240023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320042715943 - 2⁹ = 320042715431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320042715896 and 320042715905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320042715947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160021357971 + 160021357972.

It is an arithmetic number, because the mean of its divisors is an integer number (160021357972).

Almost surely, 2^320042715943 is an apocalyptic number.

320042715943 is a deficient number, since it is larger than the sum of its proper divisors (1).

320042715943 is an equidigital number, since it uses as much as digits as its factorization.

320042715943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 320042715943 its reverse (349517240023), we get a palindrome (669559955966).

The spelling of 320042715943 in words is "three hundred twenty billion, forty-two million, seven hundred fifteen thousand, nine hundred forty-three".