11573843 has 2 divisors, whose sum is σ = 11573844. Its totient is φ = 11573842.

The previous prime is 11573839. The next prime is 11573857. The reversal of 11573843 is 34837511.

It is a weak prime.

It is an emirp because it is prime and its reverse (34837511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11573843 - 2² = 11573839 is a prime.

It is a Chen prime.

It is equal to p₇₆₁₈₅₅ and since 11573843 and 761855 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11573803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786921 + 5786922.

It is an arithmetic number, because the mean of its divisors is an integer number (5786922).

Almost surely, 2^11573843 is an apocalyptic number.

11573843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11573843 is an equidigital number, since it uses as much as digits as its factorization.

11573843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 11573843 is about 3402.0351262149. The cubic root of 11573843 is about 226.1999626839.

The spelling of 11573843 in words is "eleven million, five hundred seventy-three thousand, eight hundred forty-three".