450272423 has 2 divisors, whose sum is σ = 450272424. Its totient is φ = 450272422.

The previous prime is 450272399. The next prime is 450272441. The reversal of 450272423 is 324272054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450272423 - 2⁸ = 450272167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450272453) 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, 225136211 + 225136212.

It is an arithmetic number, because the mean of its divisors is an integer number (225136212).

Almost surely, 2^450272423 is an apocalyptic number.

450272423 is a deficient number, since it is larger than the sum of its proper divisors (1).

450272423 is an equidigital number, since it uses as much as digits as its factorization.

450272423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 450272423 is about 21219.6235357746. The cubic root of 450272423 is about 766.4640384690.

The spelling of 450272423 in words is "four hundred fifty million, two hundred seventy-two thousand, four hundred twenty-three".