447316423 has 2 divisors, whose sum is σ = 447316424. Its totient is φ = 447316422.

The previous prime is 447316381. The next prime is 447316433. The reversal of 447316423 is 324613744.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447316423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447316433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223658211 + 223658212.

It is an arithmetic number, because the mean of its divisors is an integer number (223658212).

Almost surely, 2^447316423 is an apocalyptic number.

447316423 is a deficient number, since it is larger than the sum of its proper divisors (1).

447316423 is an equidigital number, since it uses as much as digits as its factorization.

447316423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 34.

The square root of 447316423 is about 21149.8563352095. The cubic root of 447316423 is about 764.7830976908.

The spelling of 447316423 in words is "four hundred forty-seven million, three hundred sixteen thousand, four hundred twenty-three".