8915423 has 4 divisors (see below), whose sum is σ = 9725928. Its totient is φ = 8104920.

The previous prime is 8915419. The next prime is 8915443. The reversal of 8915423 is 3245198.

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 8915423 - 2² = 8915419 is a prime.

It is an Ulam number.

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 8915423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8915443) 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 3 ways as a sum of consecutive naturals, for example, 405236 + ... + 405257.

It is an arithmetic number, because the mean of its divisors is an integer number (2431482).

Almost surely, 2^8915423 is an apocalyptic number.

8915423 is a deficient number, since it is larger than the sum of its proper divisors (810505).

8915423 is a wasteful number, since it uses less digits than its factorization.

8915423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810504.

The product of its digits is 8640, while the sum is 32.

The square root of 8915423 is about 2985.8705598200. The cubic root of 8915423 is about 207.3547481066.

The spelling of 8915423 in words is "eight million, nine hundred fifteen thousand, four hundred twenty-three".