450500023 has 2 divisors, whose sum is σ = 450500024. Its totient is φ = 450500022.

The previous prime is 450499999. The next prime is 450500069. The reversal of 450500023 is 320005054.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450500023 - 2²⁵ = 416945591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450510023) 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, 225250011 + 225250012.

It is an arithmetic number, because the mean of its divisors is an integer number (225250012).

Almost surely, 2^450500023 is an apocalyptic number.

450500023 is a deficient number, since it is larger than the sum of its proper divisors (1).

450500023 is an equidigital number, since it uses as much as digits as its factorization.

450500023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 450500023 is about 21224.9858186054. The cubic root of 450500023 is about 766.5931586948.

Adding to 450500023 its reverse (320005054), we get a palindrome (770505077).

The spelling of 450500023 in words is "four hundred fifty million, five hundred thousand, twenty-three".