12518423 has 2 divisors, whose sum is σ = 12518424. Its totient is φ = 12518422.

The previous prime is 12518411. The next prime is 12518447. The reversal of 12518423 is 32481521.

12518423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12518423 - 2⁸ = 12518167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12518392 and 12518401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12518483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259211 + 6259212.

It is an arithmetic number, because the mean of its divisors is an integer number (6259212).

Almost surely, 2^12518423 is an apocalyptic number.

12518423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12518423 is an equidigital number, since it uses as much as digits as its factorization.

12518423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 12518423 is about 3538.1383522977. The cubic root of 12518423 is about 232.1934017008.

Adding to 12518423 its reverse (32481521), we get a palindrome (44999944).

The spelling of 12518423 in words is "twelve million, five hundred eighteen thousand, four hundred twenty-three".