12323503 has 2 divisors, whose sum is σ = 12323504. Its totient is φ = 12323502.

The previous prime is 12323501. The next prime is 12323513. The reversal of 12323503 is 30532321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12323503 - 2¹ = 12323501 is a prime.

Together with 12323501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323501) 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, 6161751 + 6161752.

It is an arithmetic number, because the mean of its divisors is an integer number (6161752).

Almost surely, 2^12323503 is an apocalyptic number.

12323503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323503 is an equidigital number, since it uses as much as digits as its factorization.

12323503 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 19.

The square root of 12323503 is about 3510.4847243650. The cubic root of 12323503 is about 230.9819579495.

Adding to 12323503 its reverse (30532321), we get a palindrome (42855824).

The spelling of 12323503 in words is "twelve million, three hundred twenty-three thousand, five hundred three".