11323065643 has 2 divisors, whose sum is σ = 11323065644. Its totient is φ = 11323065642.

The previous prime is 11323065541. The next prime is 11323065659. The reversal of 11323065643 is 34656032311.

It is a strong prime.

It is an emirp because it is prime and its reverse (34656032311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11323065643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11323065599 and 11323065608.

It is not a weakly prime, because it can be changed into another prime (11323065043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661532821 + 5661532822.

It is an arithmetic number, because the mean of its divisors is an integer number (5661532822).

Almost surely, 2^11323065643 is an apocalyptic number.

11323065643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323065643 is an equidigital number, since it uses as much as digits as its factorization.

11323065643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 11323065643 its reverse (34656032311), we get a palindrome (45979097954).

The spelling of 11323065643 in words is "eleven billion, three hundred twenty-three million, sixty-five thousand, six hundred forty-three".