450223 has 2 divisors, whose sum is σ = 450224. Its totient is φ = 450222.

The previous prime is 450217. The next prime is 450227. The reversal of 450223 is 322054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450223 - 2¹³ = 442031 is a prime.

450223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 450197 and 450206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225111 + 225112.

It is an arithmetic number, because the mean of its divisors is an integer number (225112).

2⁴⁵⁰²²³ is an apocalyptic number.

450223 is a deficient number, since it is larger than the sum of its proper divisors (1).

450223 is an equidigital number, since it uses as much as digits as its factorization.

450223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 450223 is about 670.9865870492. The cubic root of 450223 is about 76.6435994455.

Adding to 450223 its reverse (322054), we get a palindrome (772277).

The spelling of 450223 in words is "four hundred fifty thousand, two hundred twenty-three".