11343503 has 2 divisors, whose sum is σ = 11343504. Its totient is φ = 11343502.

The previous prime is 11343473. The next prime is 11343509. The reversal of 11343503 is 30534311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11343503 - 2¹⁰ = 11342479 is a prime.

It is a super-2 number, since 2×11343503² = 257350120622018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11343509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5671751 + 5671752.

It is an arithmetic number, because the mean of its divisors is an integer number (5671752).

Almost surely, 2^11343503 is an apocalyptic number.

11343503 is a deficient number, since it is larger than the sum of its proper divisors (1).

11343503 is an equidigital number, since it uses as much as digits as its factorization.

11343503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 11343503 is about 3368.0117280081. The cubic root of 11343503 is about 224.6893028504.

Adding to 11343503 its reverse (30534311), we get a palindrome (41877814).

The spelling of 11343503 in words is "eleven million, three hundred forty-three thousand, five hundred three".