320055242143 has 32 divisors (see below), whose sum is σ = 394720768512. Its totient is φ = 252712656000.

The previous prime is 320055242137. The next prime is 320055242173. The reversal of 320055242143 is 341242550023.

It is not a de Polignac number, because 320055242143 - 2⁹ = 320055241631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320055242113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165744888 + ... + 165746818.

It is an arithmetic number, because the mean of its divisors is an integer number (12335024016).

Almost surely, 2^320055242143 is an apocalyptic number.

320055242143 is a deficient number, since it is larger than the sum of its proper divisors (74665526369).

320055242143 is a wasteful number, since it uses less digits than its factorization.

320055242143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 320055242143 its reverse (341242550023), we get a palindrome (661297792166).

The spelling of 320055242143 in words is "three hundred twenty billion, fifty-five million, two hundred forty-two thousand, one hundred forty-three".