453221623 has 2 divisors, whose sum is σ = 453221624. Its totient is φ = 453221622.

The previous prime is 453221579. The next prime is 453221627. The reversal of 453221623 is 326122354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 453221623 - 2¹⁷ = 453090551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 453221591 and 453221600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453221627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226610811 + 226610812.

It is an arithmetic number, because the mean of its divisors is an integer number (226610812).

Almost surely, 2^453221623 is an apocalyptic number.

453221623 is a deficient number, since it is larger than the sum of its proper divisors (1).

453221623 is an equidigital number, since it uses as much as digits as its factorization.

453221623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 453221623 is about 21289.0023956032. The cubic root of 453221623 is about 768.1337968345.

Adding to 453221623 its reverse (326122354), we get a palindrome (779343977).

The spelling of 453221623 in words is "four hundred fifty-three million, two hundred twenty-one thousand, six hundred twenty-three".