450642323622223 has 2 divisors, whose sum is σ = 450642323622224. Its totient is φ = 450642323622222.

The previous prime is 450642323622217. The next prime is 450642323622247. The reversal of 450642323622223 is 322226323246054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450642323622223 - 2²⁵ = 450642290067791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450642323622263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225321161811111 + 225321161811112.

It is an arithmetic number, because the mean of its divisors is an integer number (225321161811112).

Almost surely, 2^{450642323622223} is an apocalyptic number.

450642323622223 is a deficient number, since it is larger than the sum of its proper divisors (1).

450642323622223 is an equidigital number, since it uses as much as digits as its factorization.

450642323622223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 46.

Adding to 450642323622223 its reverse (322226323246054), we get a palindrome (772868646868277).

The spelling of 450642323622223 in words is "four hundred fifty trillion, six hundred forty-two billion, three hundred twenty-three million, six hundred twenty-two thousand, two hundred twenty-three".