234109217 has 2 divisors, whose sum is σ = 234109218. Its totient is φ = 234109216.

The previous prime is 234109177. The next prime is 234109301. The reversal of 234109217 is 712901432.

234109217 is digitally balanced in base 2, 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., 227677921 + 6431296 = 15089^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 234109217 - 2¹⁶ = 234043681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234109217.

It is not a weakly prime, because it can be changed into another prime (234109517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117054608 + 117054609.

It is an arithmetic number, because the mean of its divisors is an integer number (117054609).

Almost surely, 2^234109217 is an apocalyptic number.

It is an amenable number.

234109217 is a deficient number, since it is larger than the sum of its proper divisors (1).

234109217 is an equidigital number, since it uses as much as digits as its factorization.

234109217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 234109217 is about 15300.6279936478. The cubic root of 234109217 is about 616.3198718548.

The spelling of 234109217 in words is "two hundred thirty-four million, one hundred nine thousand, two hundred seventeen".