453221123 has 2 divisors, whose sum is σ = 453221124. Its totient is φ = 453221122.

The previous prime is 453221099. The next prime is 453221129. The reversal of 453221123 is 321122354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 453221123 - 2⁶ = 453221059 is a prime.

It is a super-2 number, since 2×453221123² = 410818772666762258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (453221129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226610561 + 226610562.

It is an arithmetic number, because the mean of its divisors is an integer number (226610562).

Almost surely, 2^453221123 is an apocalyptic number.

453221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

453221123 is an equidigital number, since it uses as much as digits as its factorization.

453221123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 453221123 is about 21288.9906524476. The cubic root of 453221123 is about 768.1335143627.

Adding to 453221123 its reverse (321122354), we get a palindrome (774343477).

The spelling of 453221123 in words is "four hundred fifty-three million, two hundred twenty-one thousand, one hundred twenty-three".