423568 has 20 divisors (see below), whose sum is σ = 857088. Its totient is φ = 202400.

The previous prime is 423559. The next prime is 423581. The reversal of 423568 is 865324.

It is a congruent number.

It is an unprimeable number.

423568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 943.

2⁴²³⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

423568 is an abundant number, since it is smaller than the sum of its proper divisors (433520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423568 is a wasteful number, since it uses less digits than its factorization.

423568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1176 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 423568 is about 650.8210199433. The cubic root of 423568 is about 75.1001920204.

The spelling of 423568 in words is "four hundred twenty-three thousand, five hundred sixty-eight".