8217423365 has 16 divisors (see below), whose sum is σ = 10663114752. Its totient is φ = 6055590144.

The previous prime is 8217423341. The next prime is 8217423421. The reversal of 8217423365 is 5633247128.

It is a cyclic number.

It is not a de Polignac number, because 8217423365 - 2²⁴ = 8200646149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024469 + ... + 1032458.

It is an arithmetic number, because the mean of its divisors is an integer number (666444672).

Almost surely, 2^8217423365 is an apocalyptic number.

8217423365 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8217423365 is a deficient number, since it is larger than the sum of its proper divisors (2445691387).

8217423365 is a wasteful number, since it uses less digits than its factorization.

8217423365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056996.

The product of its digits is 241920, while the sum is 41.

The square root of 8217423365 is about 90650.0047710975. The cubic root of 8217423365 is about 2017.9569059958.

The spelling of 8217423365 in words is "eight billion, two hundred seventeen million, four hundred twenty-three thousand, three hundred sixty-five".