320004478223 has 2 divisors, whose sum is σ = 320004478224. Its totient is φ = 320004478222.

The previous prime is 320004478201. The next prime is 320004478237. The reversal of 320004478223 is 322874400023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320004478223 - 2¹⁶ = 320004412687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320004438223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160002239111 + 160002239112.

It is an arithmetic number, because the mean of its divisors is an integer number (160002239112).

Almost surely, 2^320004478223 is an apocalyptic number.

320004478223 is a deficient number, since it is larger than the sum of its proper divisors (1).

320004478223 is an equidigital number, since it uses as much as digits as its factorization.

320004478223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 320004478223 its reverse (322874400023), we get a palindrome (642878878246).

The spelling of 320004478223 in words is "three hundred twenty billion, four million, four hundred seventy-eight thousand, two hundred twenty-three".