123424334417 has 2 divisors, whose sum is σ = 123424334418. Its totient is φ = 123424334416.

The previous prime is 123424334401. The next prime is 123424334459. The reversal of 123424334417 is 714433424321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118820847616 + 4603486801 = 344704^2 + 67849^2 .

It is an emirp because it is prime and its reverse (714433424321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123424334417 - 2⁴ = 123424334401 is a prime.

It is not a weakly prime, because it can be changed into another prime (123424334017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61712167208 + 61712167209.

It is an arithmetic number, because the mean of its divisors is an integer number (61712167209).

Almost surely, 2^123424334417 is an apocalyptic number.

It is an amenable number.

123424334417 is a deficient number, since it is larger than the sum of its proper divisors (1).

123424334417 is an equidigital number, since it uses as much as digits as its factorization.

123424334417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 38.

Adding to 123424334417 its reverse (714433424321), we get a palindrome (837857758738).

The spelling of 123424334417 in words is "one hundred twenty-three billion, four hundred twenty-four million, three hundred thirty-four thousand, four hundred seventeen".