434023453 has 2 divisors, whose sum is σ = 434023454. Its totient is φ = 434023452.

The previous prime is 434023397. The next prime is 434023463. The reversal of 434023453 is 354320434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344399364 + 89624089 = 18558^2 + 9467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434023453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434023463) 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, 217011726 + 217011727.

It is an arithmetic number, because the mean of its divisors is an integer number (217011727).

Almost surely, 2^434023453 is an apocalyptic number.

It is an amenable number.

434023453 is a deficient number, since it is larger than the sum of its proper divisors (1).

434023453 is an equidigital number, since it uses as much as digits as its factorization.

434023453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 434023453 is about 20833.2295384081. The cubic root of 434023453 is about 757.1310655727.

Adding to 434023453 its reverse (354320434), we get a palindrome (788343887).

The spelling of 434023453 in words is "four hundred thirty-four million, twenty-three thousand, four hundred fifty-three".