450434542134023 has 2 divisors, whose sum is σ = 450434542134024. Its totient is φ = 450434542134022.

The previous prime is 450434542134019. The next prime is 450434542134029. The reversal of 450434542134023 is 320431245434054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450434542134023 - 2² = 450434542134019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450434542134029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225217271067011 + 225217271067012.

It is an arithmetic number, because the mean of its divisors is an integer number (225217271067012).

Almost surely, 2^{450434542134023} is an apocalyptic number.

450434542134023 is a deficient number, since it is larger than the sum of its proper divisors (1).

450434542134023 is an equidigital number, since it uses as much as digits as its factorization.

450434542134023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 450434542134023 its reverse (320431245434054), we get a palindrome (770865787568077).

The spelling of 450434542134023 in words is "four hundred fifty trillion, four hundred thirty-four billion, five hundred forty-two million, one hundred thirty-four thousand, twenty-three".