34423201217 has 2 divisors, whose sum is σ = 34423201218. Its totient is φ = 34423201216.

The previous prime is 34423201199. The next prime is 34423201237. The reversal of 34423201217 is 71210232443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34269044161 + 154157056 = 185119^2 + 12416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34423201217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34423201217.

It is not a weakly prime, because it can be changed into another prime (34423201237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17211600608 + 17211600609.

It is an arithmetic number, because the mean of its divisors is an integer number (17211600609).

Almost surely, 2^34423201217 is an apocalyptic number.

It is an amenable number.

34423201217 is a deficient number, since it is larger than the sum of its proper divisors (1).

34423201217 is an equidigital number, since it uses as much as digits as its factorization.

34423201217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 34423201217 in words is "thirty-four billion, four hundred twenty-three million, two hundred one thousand, two hundred seventeen".