12302243 has 2 divisors, whose sum is σ = 12302244. Its totient is φ = 12302242.

The previous prime is 12302233. The next prime is 12302249. The reversal of 12302243 is 34220321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12302243 - 2¹² = 12298147 is a prime.

It is not a weakly prime, because it can be changed into another prime (12302249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151121 + 6151122.

It is an arithmetic number, because the mean of its divisors is an integer number (6151122).

Almost surely, 2^12302243 is an apocalyptic number.

12302243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302243 is an equidigital number, since it uses as much as digits as its factorization.

12302243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12302243 is about 3507.4553454036. The cubic root of 12302243 is about 230.8490546390.

Adding to 12302243 its reverse (34220321), we get a palindrome (46522564).

The spelling of 12302243 in words is "twelve million, three hundred two thousand, two hundred forty-three".