11743 has 2 divisors, whose sum is σ = 11744. Its totient is φ = 11742.

The previous prime is 11731. The next prime is 11777. The reversal of 11743 is 34711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11743 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11783) 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, 5871 + 5872.

It is an arithmetic number, because the mean of its divisors is an integer number (5872).

2¹¹⁷⁴³ is an apocalyptic number.

11743 is a deficient number, since it is larger than the sum of its proper divisors (1).

11743 is an equidigital number, since it uses as much as digits as its factorization.

11743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84, while the sum is 16.

The square root of 11743 is about 108.3651235407. The cubic root of 11743 is about 22.7296642332.

The spelling of 11743 in words is "eleven thousand, seven hundred forty-three", and thus it is an iban number.