12303443 has 4 divisors (see below), whose sum is σ = 12311640. Its totient is φ = 12295248.

The previous prime is 12303437. The next prime is 12303451. The reversal of 12303443 is 34430321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12303443 - 2¹⁴ = 12287059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (3077910).

Almost surely, 2^12303443 is an apocalyptic number.

12303443 is a deficient number, since it is larger than the sum of its proper divisors (8197).

12303443 is an equidigital number, since it uses as much as digits as its factorization.

12303443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 12303443 is about 3507.6264054201. The cubic root of 12303443 is about 230.8565603126.

Adding to 12303443 its reverse (34430321), we get a palindrome (46733764).

The spelling of 12303443 in words is "twelve million, three hundred three thousand, four hundred forty-three".