13123335043171 has 2 divisors, whose sum is σ = 13123335043172. Its totient is φ = 13123335043170.

The previous prime is 13123335043057. The next prime is 13123335043183. The reversal of 13123335043171 is 17134053332131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13123335043171 - 2⁷ = 13123335043043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13123335043171.

It is not a weakly prime, because it can be changed into another prime (13123335023171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561667521585 + 6561667521586.

It is an arithmetic number, because the mean of its divisors is an integer number (6561667521586).

Almost surely, 2^{13123335043171} is an apocalyptic number.

13123335043171 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123335043171 is an equidigital number, since it uses as much as digits as its factorization.

13123335043171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

The spelling of 13123335043171 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-five million, forty-three thousand, one hundred seventy-one".