423706 has 16 divisors (see below), whose sum is σ = 678528. Its totient is φ = 198000.

The previous prime is 423697. The next prime is 423707. The reversal of 423706 is 607324.

It is not an unprimeable number, because it can be changed into a prime (423707) 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 7 ways as a sum of consecutive naturals, for example, 2731 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (42408).

2⁴²³⁷⁰⁶ is an apocalyptic number.

423706 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

423706 is a deficient number, since it is larger than the sum of its proper divisors (254822).

423706 is a wasteful number, since it uses less digits than its factorization.

423706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 423706 is about 650.9270312408. The cubic root of 423706 is about 75.1083471071.

The spelling of 423706 in words is "four hundred twenty-three thousand, seven hundred six".