12909367423 has 2 divisors, whose sum is σ = 12909367424. Its totient is φ = 12909367422.

The previous prime is 12909367411. The next prime is 12909367453. The reversal of 12909367423 is 32476390921.

12909367423 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 a de Polignac number, because none of the positive numbers 2^k-12909367423 is a prime.

It is a super-3 number, since 3×12909367423³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12909367453) 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, 6454683711 + 6454683712.

It is an arithmetic number, because the mean of its divisors is an integer number (6454683712).

Almost surely, 2^12909367423 is an apocalyptic number.

12909367423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12909367423 is an equidigital number, since it uses as much as digits as its factorization.

12909367423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 12909367423 in words is "twelve billion, nine hundred nine million, three hundred sixty-seven thousand, four hundred twenty-three".