6523448443243 has 2 divisors, whose sum is σ = 6523448443244. Its totient is φ = 6523448443242.

The previous prime is 6523448443199. The next prime is 6523448443271. The reversal of 6523448443243 is 3423448443256.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6523448443243 is a prime.

It is not a weakly prime, because it can be changed into another prime (6523448444243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261724221621 + 3261724221622.

It is an arithmetic number, because the mean of its divisors is an integer number (3261724221622).

Almost surely, 2^{6523448443243} is an apocalyptic number.

6523448443243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523448443243 is an equidigital number, since it uses as much as digits as its factorization.

6523448443243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26542080, while the sum is 52.

The spelling of 6523448443243 in words is "six trillion, five hundred twenty-three billion, four hundred forty-eight million, four hundred forty-three thousand, two hundred forty-three".