12423347 has 2 divisors, whose sum is σ = 12423348. Its totient is φ = 12423346.

The previous prime is 12423263. The next prime is 12423349. The reversal of 12423347 is 74332421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12423347 - 2¹⁴ = 12406963 is a prime.

Together with 12423349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12423349) 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, 6211673 + 6211674.

It is an arithmetic number, because the mean of its divisors is an integer number (6211674).

Almost surely, 2^12423347 is an apocalyptic number.

12423347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423347 is an equidigital number, since it uses as much as digits as its factorization.

12423347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 12423347 is about 3524.6768646218. The cubic root of 12423347 is about 231.6040797294.

Adding to 12423347 its reverse (74332421), we get a palindrome (86755768).

The spelling of 12423347 in words is "twelve million, four hundred twenty-three thousand, three hundred forty-seven".