447423 has 16 divisors (see below), whose sum is σ = 654336. Its totient is φ = 270720.

The previous prime is 447409. The next prime is 447427. The reversal of 447423 is 324744.

It is not a de Polignac number, because 447423 - 2⁹ = 446911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447393 and 447402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 447423.

It is not an unprimeable number, because it can be changed into a prime (447427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (40896).

2⁴⁴⁷⁴²³ is an apocalyptic number.

447423 is a deficient number, since it is larger than the sum of its proper divisors (206913).

447423 is a wasteful number, since it uses less digits than its factorization.

447423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its digits is 2688, while the sum is 24.

The square root of 447423 is about 668.8968530349. The cubic root of 447423 is about 76.4843831593.

The spelling of 447423 in words is "four hundred forty-seven thousand, four hundred twenty-three", and thus it is an iban number.