123230043217 has 2 divisors, whose sum is σ = 123230043218. Its totient is φ = 123230043216.

The previous prime is 123230043187. The next prime is 123230043221. The reversal of 123230043217 is 712340032321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111086223616 + 12143819601 = 333296^2 + 110199^2 .

It is an emirp because it is prime and its reverse (712340032321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123230043217 - 2⁷ = 123230043089 is a prime.

It is a super-3 number, since 3×123230043217³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (123230043617) 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 as a sum of consecutive naturals, namely, 61615021608 + 61615021609.

It is an arithmetic number, because the mean of its divisors is an integer number (61615021609).

Almost surely, 2^123230043217 is an apocalyptic number.

It is an amenable number.

123230043217 is a deficient number, since it is larger than the sum of its proper divisors (1).

123230043217 is an equidigital number, since it uses as much as digits as its factorization.

123230043217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 123230043217 its reverse (712340032321), we get a palindrome (835570075538).

The spelling of 123230043217 in words is "one hundred twenty-three billion, two hundred thirty million, forty-three thousand, two hundred seventeen".