142321232610217 has 2 divisors, whose sum is σ = 142321232610218. Its totient is φ = 142321232610216.

The previous prime is 142321232610181. The next prime is 142321232610259. The reversal of 142321232610217 is 712016232123241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108063904553641 + 34257328056576 = 10395379^2 + 5852976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142321232610217 is a prime.

It is not a weakly prime, because it can be changed into another prime (142321232610287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160616305108 + 71160616305109.

It is an arithmetic number, because the mean of its divisors is an integer number (71160616305109).

Almost surely, 2^{142321232610217} is an apocalyptic number.

It is an amenable number.

142321232610217 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321232610217 is an equidigital number, since it uses as much as digits as its factorization.

142321232610217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 142321232610217 its reverse (712016232123241), we get a palindrome (854337464733458).

The spelling of 142321232610217 in words is "one hundred forty-two trillion, three hundred twenty-one billion, two hundred thirty-two million, six hundred ten thousand, two hundred seventeen".