450040223 has 2 divisors, whose sum is σ = 450040224. Its totient is φ = 450040222.

The previous prime is 450040211. The next prime is 450040271. The reversal of 450040223 is 322040054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450040223 - 2⁴ = 450040207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450040195 and 450040204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450040523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225020111 + 225020112.

It is an arithmetic number, because the mean of its divisors is an integer number (225020112).

Almost surely, 2^450040223 is an apocalyptic number.

450040223 is a deficient number, since it is larger than the sum of its proper divisors (1).

450040223 is an equidigital number, since it uses as much as digits as its factorization.

450040223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 450040223 is about 21214.1514796138. The cubic root of 450040223 is about 766.3322637609.

Adding to 450040223 its reverse (322040054), we get a palindrome (772080277).

The spelling of 450040223 in words is "four hundred fifty million, forty thousand, two hundred twenty-three".