423447475 has 48 divisors (see below), whose sum is σ = 618308640. Its totient is φ = 284211200.

The previous prime is 423447463. The next prime is 423447511. The reversal of 423447475 is 574744324.

It is not a de Polignac number, because 423447475 - 2²⁵ = 389893043 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 246921 + ... + 248629.

It is an arithmetic number, because the mean of its divisors is an integer number (12881430).

Almost surely, 2^423447475 is an apocalyptic number.

423447475 is a deficient number, since it is larger than the sum of its proper divisors (194861165).

423447475 is a wasteful number, since it uses less digits than its factorization.

423447475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1795 counting only the distinct ones).

The product of its digits is 376320, while the sum is 40.

The square root of 423447475 is about 20577.8394152545. The cubic root of 423447475 is about 750.9306816682.

The spelling of 423447475 in words is "four hundred twenty-three million, four hundred forty-seven thousand, four hundred seventy-five".