447345423 has 40 divisors (see below), whose sum is σ = 796950528. Its totient is φ = 244504656.

The previous prime is 447345419. The next prime is 447345427. The reversal of 447345423 is 324543744.

447345423 is a `hidden beast` number, since 44 + 73 + 4 + 542 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (447345419) and next prime (447345427).

It is not a de Polignac number, because 447345423 - 2² = 447345419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447345427) 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 in 39 ways as a sum of consecutive naturals, for example, 4111 + ... + 30192.

Almost surely, 2^447345423 is an apocalyptic number.

447345423 is a deficient number, since it is larger than the sum of its proper divisors (349605105).

447345423 is a wasteful number, since it uses less digits than its factorization.

447345423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34345 (or 34336 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

The square root of 447345423 is about 21150.5419079512. The cubic root of 447345423 is about 764.7996245678.

The spelling of 447345423 in words is "four hundred forty-seven million, three hundred forty-five thousand, four hundred twenty-three".