3423209872171 has 2 divisors, whose sum is σ = 3423209872172. Its totient is φ = 3423209872170.

The previous prime is 3423209872163. The next prime is 3423209872193. The reversal of 3423209872171 is 1712789023243.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3423209872171 - 2³ = 3423209872163 is a prime.

It is not a weakly prime, because it can be changed into another prime (3423249872171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1711604936085 + 1711604936086.

It is an arithmetic number, because the mean of its divisors is an integer number (1711604936086).

Almost surely, 2^{3423209872171} is an apocalyptic number.

3423209872171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3423209872171 is an equidigital number, since it uses as much as digits as its factorization.

3423209872171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 3423209872171 in words is "three trillion, four hundred twenty-three billion, two hundred nine million, eight hundred seventy-two thousand, one hundred seventy-one".