423768 has 16 divisors (see below), whose sum is σ = 1059480. Its totient is φ = 141248.

The previous prime is 423763. The next prime is 423769. The reversal of 423768 is 867324.

423768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8805 + ... + 8852.

2⁴²³⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

423768 is an abundant number, since it is smaller than the sum of its proper divisors (635712).

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

423768 is a wasteful number, since it uses less digits than its factorization.

423768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666 (or 17662 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 423768 is about 650.9746538845. The cubic root of 423768 is about 75.1120104101.

Subtracting 423768 from its reverse (867324), we obtain a square (443556 = 666²).

The spelling of 423768 in words is "four hundred twenty-three thousand, seven hundred sixty-eight".