8426723 has 4 divisors (see below), whose sum is σ = 8564928. Its totient is φ = 8288520.

The previous prime is 8426701. The next prime is 8426731. The reversal of 8426723 is 3276248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8426723 - 2¹² = 8422627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8426723.

It is not an unprimeable number, because it can be changed into a prime (8426023) 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, 69011 + ... + 69132.

It is an arithmetic number, because the mean of its divisors is an integer number (2141232).

Almost surely, 2^8426723 is an apocalyptic number.

8426723 is a deficient number, since it is larger than the sum of its proper divisors (138205).

8426723 is a wasteful number, since it uses less digits than its factorization.

8426723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138204.

The product of its digits is 16128, while the sum is 32.

The square root of 8426723 is about 2902.8818439613. The cubic root of 8426723 is about 203.4946079340.

The spelling of 8426723 in words is "eight million, four hundred twenty-six thousand, seven hundred twenty-three".