450164023 has 2 divisors, whose sum is σ = 450164024. Its totient is φ = 450164022.

The previous prime is 450164003. The next prime is 450164083. The reversal of 450164023 is 320461054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450164023 - 2⁵ = 450163991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450164003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225082011 + 225082012.

It is an arithmetic number, because the mean of its divisors is an integer number (225082012).

Almost surely, 2^450164023 is an apocalyptic number.

450164023 is a deficient number, since it is larger than the sum of its proper divisors (1).

450164023 is an equidigital number, since it uses as much as digits as its factorization.

450164023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 450164023 is about 21217.0691425560. The cubic root of 450164023 is about 766.4025265444.

The spelling of 450164023 in words is "four hundred fifty million, one hundred sixty-four thousand, twenty-three".