447975423 has 24 divisors (see below), whose sum is σ = 749938176. Its totient is φ = 252378000.

The previous prime is 447975421. The next prime is 447975427. The reversal of 447975423 is 324579744.

It is not a de Polignac number, because 447975423 - 2¹ = 447975421 is a prime.

It is a super-2 number, since 2×447975423² = 401363959224057858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447975421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45603 + ... + 54548.

It is an arithmetic number, because the mean of its divisors is an integer number (31247424).

Almost surely, 2^447975423 is an apocalyptic number.

447975423 is a deficient number, since it is larger than the sum of its proper divisors (301962753).

447975423 is a wasteful number, since it uses less digits than its factorization.

447975423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100235 (or 100232 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 447975423 is about 21165.4299035007. The cubic root of 447975423 is about 765.1584805585.

The spelling of 447975423 in words is "four hundred forty-seven million, nine hundred seventy-five thousand, four hundred twenty-three".