320064133223023 has 48 divisors (see below), whose sum is σ = 378296384486400. Its totient is φ = 265197793468608.

The previous prime is 320064133222991. The next prime is 320064133223089. The reversal of 320064133223023 is 320322331460023.

It is not a de Polignac number, because 320064133223023 - 2⁵ = 320064133222991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320064133223023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320064133223123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 481077786 + ... + 481742632.

It is an arithmetic number, because the mean of its divisors is an integer number (7881174676800).

Almost surely, 2^{320064133223023} is an apocalyptic number.

320064133223023 is a deficient number, since it is larger than the sum of its proper divisors (58232251263377).

320064133223023 is an equidigital number, since it uses as much as digits as its factorization.

320064133223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665236 (or 665153 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 320064133223023 its reverse (320322331460023), we get a palindrome (640386464683046).

The spelling of 320064133223023 in words is "three hundred twenty trillion, sixty-four billion, one hundred thirty-three million, two hundred twenty-three thousand, twenty-three".