423975 has 12 divisors (see below), whose sum is σ = 701096. Its totient is φ = 226080.

The previous prime is 423961. The next prime is 423977. The reversal of 423975 is 579324.

It is not a de Polignac number, because 423975 - 2⁷ = 423847 is a prime.

It is a Duffinian number.

423975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2752 + ... + 2901.

2⁴²³⁹⁷⁵ is an apocalyptic number.

423975 is a deficient number, since it is larger than the sum of its proper divisors (277121).

423975 is a wasteful number, since it uses less digits than its factorization.

423975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 5661 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 423975 is about 651.1336268386. The cubic root of 423975 is about 75.1242385280.

The spelling of 423975 in words is "four hundred twenty-three thousand, nine hundred seventy-five".