9123103301321 has 2 divisors, whose sum is σ = 9123103301322. Its totient is φ = 9123103301320.

The previous prime is 9123103301317. The next prime is 9123103301393. The reversal of 9123103301321 is 1231033013219.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6965318577721 + 2157784723600 = 2639189^2 + 1468940^2 .

It is an emirp because it is prime and its reverse (1231033013219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9123103301321 - 2² = 9123103301317 is a prime.

It is not a weakly prime, because it can be changed into another prime (9123103306321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4561551650660 + 4561551650661.

It is an arithmetic number, because the mean of its divisors is an integer number (4561551650661).

Almost surely, 2^{9123103301321} is an apocalyptic number.

It is an amenable number.

9123103301321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9123103301321 is an equidigital number, since it uses as much as digits as its factorization.

9123103301321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 9123103301321 in words is "nine trillion, one hundred twenty-three billion, one hundred three million, three hundred one thousand, three hundred twenty-one".