8223126996017 has 4 divisors (see below), whose sum is σ = 8223136637220. Its totient is φ = 8223117354816.

The previous prime is 8223126995999. The next prime is 8223126996047. The reversal of 8223126996017 is 7106996213228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5057713132096 + 3165413863921 = 2248936^2 + 1779161^2 .

It is a cyclic number.

It is not a de Polignac number, because 8223126996017 - 2²⁴ = 8223110218801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8223126996047) 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, 3402092 + ... + 5293437.

It is an arithmetic number, because the mean of its divisors is an integer number (2055784159305).

Almost surely, 2^{8223126996017} is an apocalyptic number.

It is an amenable number.

8223126996017 is a deficient number, since it is larger than the sum of its proper divisors (9641203).

8223126996017 is an equidigital number, since it uses as much as digits as its factorization.

8223126996017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641202.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 8223126996017 in words is "eight trillion, two hundred twenty-three billion, one hundred twenty-six million, nine hundred ninety-six thousand, seventeen".