423766 has 8 divisors (see below), whose sum is σ = 726480. Its totient is φ = 181608.

The previous prime is 423763. The next prime is 423769. The reversal of 423766 is 667324.

423766 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (423763) and next prime (423769).

It is a sphenic number, since it is the product of 3 distinct primes.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15121 + ... + 15148.

It is an arithmetic number, because the mean of its divisors is an integer number (90810).

2⁴²³⁷⁶⁶ is an apocalyptic number.

423766 is a deficient number, since it is larger than the sum of its proper divisors (302714).

423766 is a wasteful number, since it uses less digits than its factorization.

423766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30278.

The product of its digits is 6048, while the sum is 28.

The square root of 423766 is about 650.9731177245. The cubic root of 423766 is about 75.1118922446. Note that the first 3 decimals are identical.

The spelling of 423766 in words is "four hundred twenty-three thousand, seven hundred sixty-six".