12423313 has 6 divisors (see below), whose sum is σ = 14451666. Its totient is φ = 10648512.

The previous prime is 12423263. The next prime is 12423347. The reversal of 12423313 is 31332421.

It can be written as a sum of positive squares in only one way, i.e., 7683984 + 4739329 = 2772^2 + 2177^2 .

It is not a de Polignac number, because 12423313 - 2¹³ = 12415121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126720 + ... + 126817.

It is an arithmetic number, because the mean of its divisors is an integer number (2408611).

Almost surely, 2^12423313 is an apocalyptic number.

It is an amenable number.

12423313 is a deficient number, since it is larger than the sum of its proper divisors (2028353).

12423313 is an equidigital number, since it uses as much as digits as its factorization.

12423313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253551 (or 253544 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 12423313 is about 3524.6720414813. The cubic root of 12423313 is about 231.6038684459.

Adding to 12423313 its reverse (31332421), we get a palindrome (43755734).

The spelling of 12423313 in words is "twelve million, four hundred twenty-three thousand, three hundred thirteen".