320303121122143 has 2 divisors, whose sum is σ = 320303121122144. Its totient is φ = 320303121122142.

The previous prime is 320303121122111. The next prime is 320303121122233. The reversal of 320303121122143 is 341221121303023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320303121122143 - 2⁵ = 320303121122111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320303121102143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160151560561071 + 160151560561072.

It is an arithmetic number, because the mean of its divisors is an integer number (160151560561072).

Almost surely, 2^{320303121122143} is an apocalyptic number.

320303121122143 is a deficient number, since it is larger than the sum of its proper divisors (1).

320303121122143 is an equidigital number, since it uses as much as digits as its factorization.

320303121122143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 320303121122143 its reverse (341221121303023), we get a palindrome (661524242425166).

The spelling of 320303121122143 in words is "three hundred twenty trillion, three hundred three billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred forty-three".