11323747213 has 2 divisors, whose sum is σ = 11323747214. Its totient is φ = 11323747212.

The previous prime is 11323747111. The next prime is 11323747217. The reversal of 11323747213 is 31274732311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11304580329 + 19166884 = 106323^2 + 4378^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323747213 - 2²⁹ = 10786876301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323747217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661873606 + 5661873607.

It is an arithmetic number, because the mean of its divisors is an integer number (5661873607).

Almost surely, 2^11323747213 is an apocalyptic number.

It is an amenable number.

11323747213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323747213 is an equidigital number, since it uses as much as digits as its factorization.

11323747213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The spelling of 11323747213 in words is "eleven billion, three hundred twenty-three million, seven hundred forty-seven thousand, two hundred thirteen".