11243836823 has 2 divisors, whose sum is σ = 11243836824. Its totient is φ = 11243836822.

The previous prime is 11243836783. The next prime is 11243836841. The reversal of 11243836823 is 32863834211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11243836823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243836423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621918411 + 5621918412.

It is an arithmetic number, because the mean of its divisors is an integer number (5621918412).

Almost surely, 2^11243836823 is an apocalyptic number.

11243836823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243836823 is an equidigital number, since it uses as much as digits as its factorization.

11243836823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The spelling of 11243836823 in words is "eleven billion, two hundred forty-three million, eight hundred thirty-six thousand, eight hundred twenty-three".