13823785783 has 2 divisors, whose sum is σ = 13823785784. Its totient is φ = 13823785782.

The previous prime is 13823785733. The next prime is 13823785837. The reversal of 13823785783 is 38758732831.

Together with next prime (13823785837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13823785783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13823785733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6911892891 + 6911892892.

It is an arithmetic number, because the mean of its divisors is an integer number (6911892892).

Almost surely, 2^13823785783 is an apocalyptic number.

13823785783 is a deficient number, since it is larger than the sum of its proper divisors (1).

13823785783 is an equidigital number, since it uses as much as digits as its factorization.

13823785783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 55.

The spelling of 13823785783 in words is "thirteen billion, eight hundred twenty-three million, seven hundred eighty-five thousand, seven hundred eighty-three".