12303243 has 6 divisors (see below), whose sum is σ = 17771364. Its totient is φ = 8202156.

The previous prime is 12303233. The next prime is 12303281. The reversal of 12303243 is 34230321.

12303243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12303243 - 2⁴ = 12303227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12303233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683505 + ... + 683522.

It is an arithmetic number, because the mean of its divisors is an integer number (2961894).

Almost surely, 2^12303243 is an apocalyptic number.

12303243 is a deficient number, since it is larger than the sum of its proper divisors (5468121).

12303243 is a wasteful number, since it uses less digits than its factorization.

12303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367033 (or 1367030 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 12303243 is about 3507.5978959966. The cubic root of 12303243 is about 230.8553094009.

Adding to 12303243 its reverse (34230321), we get a palindrome (46533564).

The spelling of 12303243 in words is "twelve million, three hundred three thousand, two hundred forty-three".