320104511443 has 4 divisors (see below), whose sum is σ = 320123873160. Its totient is φ = 320085149728.

The previous prime is 320104511407. The next prime is 320104511479. The reversal of 320104511443 is 344115401023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344115401023 = 478481 ⋅719183.

It is an interprime number because it is at equal distance from previous prime (320104511407) and next prime (320104511479).

It is a cyclic number.

It is not a de Polignac number, because 320104511443 - 2⁹ = 320104510931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320104512443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9656038 + ... + 9689131.

It is an arithmetic number, because the mean of its divisors is an integer number (80030968290).

Almost surely, 2^320104511443 is an apocalyptic number.

320104511443 is a deficient number, since it is larger than the sum of its proper divisors (19361717).

320104511443 is a wasteful number, since it uses less digits than its factorization.

320104511443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19361716.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 320104511443 its reverse (344115401023), we get a palindrome (664219912466).

The spelling of 320104511443 in words is "three hundred twenty billion, one hundred four million, five hundred eleven thousand, four hundred forty-three".