11323121297 has 2 divisors, whose sum is σ = 11323121298. Its totient is φ = 11323121296.

The previous prime is 11323121221. The next prime is 11323121339. The reversal of 11323121297 is 79212132311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11322875281 + 246016 = 106409^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323121297 - 2³⁰ = 10249379473 is a prime.

It is not a weakly prime, because it can be changed into another prime (11323121197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661560648 + 5661560649.

It is an arithmetic number, because the mean of its divisors is an integer number (5661560649).

Almost surely, 2^11323121297 is an apocalyptic number.

It is an amenable number.

11323121297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323121297 is an equidigital number, since it uses as much as digits as its factorization.

11323121297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The spelling of 11323121297 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-one thousand, two hundred ninety-seven".