142817923359313 has 2 divisors, whose sum is σ = 142817923359314. Its totient is φ = 142817923359312.

The previous prime is 142817923359289. The next prime is 142817923359323. The reversal of 142817923359313 is 313953329718241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138559548561424 + 4258374797889 = 11771132^2 + 2063583^2 .

It is an emirp because it is prime and its reverse (313953329718241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142817923359313 is a prime.

It is not a weakly prime, because it can be changed into another prime (142817923359323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71408961679656 + 71408961679657.

It is an arithmetic number, because the mean of its divisors is an integer number (71408961679657).

Almost surely, 2^{142817923359313} is an apocalyptic number.

It is an amenable number.

142817923359313 is a deficient number, since it is larger than the sum of its proper divisors (1).

142817923359313 is an equidigital number, since it uses as much as digits as its factorization.

142817923359313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 61.

The spelling of 142817923359313 in words is "one hundred forty-two trillion, eight hundred seventeen billion, nine hundred twenty-three million, three hundred fifty-nine thousand, three hundred thirteen".