426723 has 16 divisors (see below), whose sum is σ = 633216. Its totient is φ = 253440.

The previous prime is 426709. The next prime is 426731. The reversal of 426723 is 327624.

It is not a de Polignac number, because 426723 - 2⁴ = 426707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426693 and 426702.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426723.

It is not an unprimeable number, because it can be changed into a prime (426743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2115 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (39576).

2⁴²⁶⁷²³ is an apocalyptic number.

426723 is a deficient number, since it is larger than the sum of its proper divisors (206493).

426723 is a wasteful number, since it uses less digits than its factorization.

426723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

The product of its digits is 2016, while the sum is 24.

The square root of 426723 is about 653.2403845446. The cubic root of 426723 is about 75.2861953957.

Subtracting from 426723 its reverse (327624), we obtain a palindrome (99099).

The spelling of 426723 in words is "four hundred twenty-six thousand, seven hundred twenty-three".