12317423 has 2 divisors, whose sum is σ = 12317424. Its totient is φ = 12317422.

The previous prime is 12317407. The next prime is 12317441. The reversal of 12317423 is 32471321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12317423 - 2⁴ = 12317407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12317483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158711 + 6158712.

It is an arithmetic number, because the mean of its divisors is an integer number (6158712).

Almost surely, 2^12317423 is an apocalyptic number.

12317423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12317423 is an equidigital number, since it uses as much as digits as its factorization.

12317423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 12317423 is about 3509.6186402514. The cubic root of 12317423 is about 230.9439654695.

Adding to 12317423 its reverse (32471321), we get a palindrome (44788744).

The spelling of 12317423 in words is "twelve million, three hundred seventeen thousand, four hundred twenty-three".