8427623 has 4 divisors (see below), whose sum is σ = 8492088. Its totient is φ = 8363160.

The previous prime is 8427607. The next prime is 8427647. The reversal of 8427623 is 3267248.

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 8427623 - 2⁴ = 8427607 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 8427623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427323) 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, 32036 + ... + 32297.

It is an arithmetic number, because the mean of its divisors is an integer number (2123022).

Almost surely, 2^8427623 is an apocalyptic number.

8427623 is a deficient number, since it is larger than the sum of its proper divisors (64465).

8427623 is a wasteful number, since it uses less digits than its factorization.

8427623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64464.

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

The square root of 8427623 is about 2903.0368581883. The cubic root of 8427623 is about 203.5018522933.

The spelling of 8427623 in words is "eight million, four hundred twenty-seven thousand, six hundred twenty-three".