2321242123217 has 2 divisors, whose sum is σ = 2321242123218. Its totient is φ = 2321242123216.

The previous prime is 2321242123183. The next prime is 2321242123231. The reversal of 2321242123217 is 7123212421232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085508568641 + 235733554576 = 1444129^2 + 485524^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321242123217 - 2⁶ = 2321242123153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321242123247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160621061608 + 1160621061609.

It is an arithmetic number, because the mean of its divisors is an integer number (1160621061609).

Almost surely, 2^{2321242123217} is an apocalyptic number.

It is an amenable number.

2321242123217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321242123217 is an equidigital number, since it uses as much as digits as its factorization.

2321242123217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

Adding to 2321242123217 its reverse (7123212421232), we get a palindrome (9444454544449).

The spelling of 2321242123217 in words is "two trillion, three hundred twenty-one billion, two hundred forty-two million, one hundred twenty-three thousand, two hundred seventeen".