12272545423 has 2 divisors, whose sum is σ = 12272545424. Its totient is φ = 12272545422.

The previous prime is 12272545393. The next prime is 12272545447. The reversal of 12272545423 is 32454527221.

12272545423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12272545423 - 2²¹ = 12270448271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12272545223) 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, 6136272711 + 6136272712.

It is an arithmetic number, because the mean of its divisors is an integer number (6136272712).

Almost surely, 2^12272545423 is an apocalyptic number.

12272545423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12272545423 is an equidigital number, since it uses as much as digits as its factorization.

12272545423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 37.

The spelling of 12272545423 in words is "twelve billion, two hundred seventy-two million, five hundred forty-five thousand, four hundred twenty-three".