4321123217 has 2 divisors, whose sum is σ = 4321123218. Its totient is φ = 4321123216.

The previous prime is 4321123211. The next prime is 4321123249. The reversal of 4321123217 is 7123211234.

4321123217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4088835136 + 232288081 = 63944^2 + 15241^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321123217 - 2¹⁰ = 4321122193 is a prime.

It is not a weakly prime, because it can be changed into another prime (4321123211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160561608 + 2160561609.

It is an arithmetic number, because the mean of its divisors is an integer number (2160561609).

Almost surely, 2^4321123217 is an apocalyptic number.

It is an amenable number.

4321123217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321123217 is an equidigital number, since it uses as much as digits as its factorization.

4321123217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 4321123217 is about 65735.2509465051. The cubic root of 4321123217 is about 1628.7917095778.

The spelling of 4321123217 in words is "four billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred seventeen".