320341321123 has 2 divisors, whose sum is σ = 320341321124. Its totient is φ = 320341321122.

The previous prime is 320341321109. The next prime is 320341321129. The reversal of 320341321123 is 321123143023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320341321123 is a prime.

It is a super-2 number, since 2×320341321123² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320341321129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160170660561 + 160170660562.

It is an arithmetic number, because the mean of its divisors is an integer number (160170660562).

Almost surely, 2^320341321123 is an apocalyptic number.

320341321123 is a deficient number, since it is larger than the sum of its proper divisors (1).

320341321123 is an equidigital number, since it uses as much as digits as its factorization.

320341321123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 320341321123 its reverse (321123143023), we get a palindrome (641464464146).

The spelling of 320341321123 in words is "three hundred twenty billion, three hundred forty-one million, three hundred twenty-one thousand, one hundred twenty-three".