12535423 has 2 divisors, whose sum is σ = 12535424. Its totient is φ = 12535422.

The previous prime is 12535399. The next prime is 12535433. The reversal of 12535423 is 32453521.

It is a strong prime.

It is an emirp because it is prime and its reverse (32453521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12535423 - 2⁹ = 12534911 is a prime.

It is equal to p₈₂₀₈₇₀ and since 12535423 and 820870 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12535433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267711 + 6267712.

It is an arithmetic number, because the mean of its divisors is an integer number (6267712).

Almost surely, 2^12535423 is an apocalyptic number.

12535423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535423 is an equidigital number, since it uses as much as digits as its factorization.

12535423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 12535423 is about 3540.5399305756. The cubic root of 12535423 is about 232.2984602579.

Adding to 12535423 its reverse (32453521), we get a palindrome (44988944).

The spelling of 12535423 in words is "twelve million, five hundred thirty-five thousand, four hundred twenty-three".