11243983 has 2 divisors, whose sum is σ = 11243984. Its totient is φ = 11243982.

The previous prime is 11243957. The next prime is 11243989. The reversal of 11243983 is 38934211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11243983 is a prime.

It is equal to p₇₄₁₅₆₈ and since 11243983 and 741568 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621991 + 5621992.

It is an arithmetic number, because the mean of its divisors is an integer number (5621992).

Almost surely, 2^11243983 is an apocalyptic number.

11243983 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243983 is an equidigital number, since it uses as much as digits as its factorization.

11243983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 11243983 is about 3353.2048848825. The cubic root of 11243983 is about 224.0302826300.

The spelling of 11243983 in words is "eleven million, two hundred forty-three thousand, nine hundred eighty-three".