11823400913 has 2 divisors, whose sum is σ = 11823400914. Its totient is φ = 11823400912.

The previous prime is 11823400909. The next prime is 11823400943. The reversal of 11823400913 is 31900432811.

11823400913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10978219729 + 845181184 = 104777^2 + 29072^2 .

It is a cyclic number.

It is not a de Polignac number, because 11823400913 - 2² = 11823400909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11823400913.

It is not a weakly prime, because it can be changed into another prime (11823400903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5911700456 + 5911700457.

It is an arithmetic number, because the mean of its divisors is an integer number (5911700457).

Almost surely, 2^11823400913 is an apocalyptic number.

It is an amenable number.

11823400913 is a deficient number, since it is larger than the sum of its proper divisors (1).

11823400913 is an equidigital number, since it uses as much as digits as its factorization.

11823400913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 11823400913 in words is "eleven billion, eight hundred twenty-three million, four hundred thousand, nine hundred thirteen".