6523646143423 has 2 divisors, whose sum is σ = 6523646143424. Its totient is φ = 6523646143422.

The previous prime is 6523646143367. The next prime is 6523646143451. The reversal of 6523646143423 is 3243416463256.

6523646143423 is digitally balanced in base 3, 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 6523646143423 - 2¹³ = 6523646135231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6523646143453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261823071711 + 3261823071712.

It is an arithmetic number, because the mean of its divisors is an integer number (3261823071712).

Almost surely, 2^{6523646143423} is an apocalyptic number.

6523646143423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523646143423 is an equidigital number, since it uses as much as digits as its factorization.

6523646143423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 49.

The spelling of 6523646143423 in words is "six trillion, five hundred twenty-three billion, six hundred forty-six million, one hundred forty-three thousand, four hundred twenty-three".