453223323521 has 2 divisors, whose sum is σ = 453223323522. Its totient is φ = 453223323520.

The previous prime is 453223323503. The next prime is 453223323533. The reversal of 453223323521 is 125323322354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446940383296 + 6282940225 = 668536^2 + 79265^2 .

It is a cyclic number.

It is not a de Polignac number, because 453223323521 - 2⁶ = 453223323457 is a prime.

It is a super-2 number, since 2×453223323521² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (453223322521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226611661760 + 226611661761.

It is an arithmetic number, because the mean of its divisors is an integer number (226611661761).

Almost surely, 2^453223323521 is an apocalyptic number.

It is an amenable number.

453223323521 is a deficient number, since it is larger than the sum of its proper divisors (1).

453223323521 is an equidigital number, since it uses as much as digits as its factorization.

453223323521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 35.

Adding to 453223323521 its reverse (125323322354), we get a palindrome (578546645875).

The spelling of 453223323521 in words is "four hundred fifty-three billion, two hundred twenty-three million, three hundred twenty-three thousand, five hundred twenty-one".