8423105663623 has 8 divisors (see below), whose sum is σ = 10133059445120. Its totient is φ = 6839815125240.

The previous prime is 8423105663617. The next prime is 8423105663629. The reversal of 8423105663623 is 3263665013248.

It is an interprime number because it is at equal distance from previous prime (8423105663617) and next prime (8423105663629).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8423105663623 is a prime.

It is a super-3 number, since 3×8423105663623³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423105663629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31665810633 + ... + 31665810898.

It is an arithmetic number, because the mean of its divisors is an integer number (1266632430640).

Almost surely, 2^{8423105663623} is an apocalyptic number.

8423105663623 is a deficient number, since it is larger than the sum of its proper divisors (1709953781497).

8423105663623 is a wasteful number, since it uses less digits than its factorization.

8423105663623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63331621557.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 8423105663623 in words is "eight trillion, four hundred twenty-three billion, one hundred five million, six hundred sixty-three thousand, six hundred twenty-three".