11918323 has 2 divisors, whose sum is σ = 11918324. Its totient is φ = 11918322.

The previous prime is 11918321. The next prime is 11918327. The reversal of 11918323 is 32381911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11918323 - 2¹ = 11918321 is a prime.

Together with 11918321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11918291 and 11918300.

It is not a weakly prime, because it can be changed into another prime (11918321) 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, 5959161 + 5959162.

It is an arithmetic number, because the mean of its divisors is an integer number (5959162).

Almost surely, 2^11918323 is an apocalyptic number.

11918323 is a deficient number, since it is larger than the sum of its proper divisors (1).

11918323 is an equidigital number, since it uses as much as digits as its factorization.

11918323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 11918323 is about 3452.2924267796. The cubic root of 11918323 is about 228.4222387491.

The spelling of 11918323 in words is "eleven million, nine hundred eighteen thousand, three hundred twenty-three".