8913623 has 2 divisors, whose sum is σ = 8913624. Its totient is φ = 8913622.

The previous prime is 8913589. The next prime is 8913677. The reversal of 8913623 is 3263198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8913623 - 2²⁰ = 7865047 is a prime.

It is a super-2 number, since 2×8913623² = 158905349972258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8913623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8913683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4456811 + 4456812.

It is an arithmetic number, because the mean of its divisors is an integer number (4456812).

Almost surely, 2^8913623 is an apocalyptic number.

8913623 is a deficient number, since it is larger than the sum of its proper divisors (1).

8913623 is an equidigital number, since it uses as much as digits as its factorization.

8913623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 8913623 is about 2985.5691249743. The cubic root of 8913623 is about 207.3407923781.

The spelling of 8913623 in words is "eight million, nine hundred thirteen thousand, six hundred twenty-three".