7123663217 has 16 divisors (see below), whose sum is σ = 8194038720. Its totient is φ = 6124896000.

The previous prime is 7123663199. The next prime is 7123663231.

7123663217 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7123663217 - 2⁸ = 7123662961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7123563217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97253 + ... + 153965.

It is an arithmetic number, because the mean of its divisors is an integer number (512127420).

Almost surely, 2^7123663217 is an apocalyptic number.

It is an amenable number.

7123663217 is a deficient number, since it is larger than the sum of its proper divisors (1070375503).

7123663217 is a wasteful number, since it uses less digits than its factorization.

7123663217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57344.

The product of its digits is 63504, while the sum is 38.

The square root of 7123663217 is about 84401.7962901264. The cubic root of 7123663217 is about 1924.1302163363.

The spelling of 7123663217 in words is "seven billion, one hundred twenty-three million, six hundred sixty-three thousand, two hundred seventeen".