234012217 has 2 divisors, whose sum is σ = 234012218. Its totient is φ = 234012216.

The previous prime is 234012197. The next prime is 234012221. The reversal of 234012217 is 712210432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230462761 + 3549456 = 15181^2 + 1884^2 .

It is a cyclic number.

It is not a de Polignac number, because 234012217 - 2¹¹ = 234010169 is a prime.

It is not a weakly prime, because it can be changed into another prime (234012277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117006108 + 117006109.

It is an arithmetic number, because the mean of its divisors is an integer number (117006109).

Almost surely, 2^234012217 is an apocalyptic number.

It is an amenable number.

234012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

234012217 is an equidigital number, since it uses as much as digits as its factorization.

234012217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 234012217 is about 15297.4578607035. The cubic root of 234012217 is about 616.2347388173.

Adding to 234012217 its reverse (712210432), we get a palindrome (946222649).

The spelling of 234012217 in words is "two hundred thirty-four million, twelve thousand, two hundred seventeen".