3423240517705 has 4 divisors (see below), whose sum is σ = 4107888621252. Its totient is φ = 2738592414160.

The previous prime is 3423240517679. The next prime is 3423240517769. The reversal of 3423240517705 is 5077150423243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506973904441 + 2916266613264 = 712021^2 + 1707708^2 .

It is not a de Polignac number, because 3423240517705 - 2⁵ = 3423240517673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 342324051766 + ... + 342324051775.

It is an arithmetic number, because the mean of its divisors is an integer number (1026972155313).

Almost surely, 2^{3423240517705} is an apocalyptic number.

It is an amenable number.

3423240517705 is a deficient number, since it is larger than the sum of its proper divisors (684648103547).

3423240517705 is an equidigital number, since it uses as much as digits as its factorization.

3423240517705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684648103546.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 3423240517705 in words is "three trillion, four hundred twenty-three billion, two hundred forty million, five hundred seventeen thousand, seven hundred five".