3205426723 has 2 divisors, whose sum is σ = 3205426724. Its totient is φ = 3205426722.

The previous prime is 3205426709. The next prime is 3205426843. The reversal of 3205426723 is 3276245023.

It is a weak prime.

It is an emirp because it is prime and its reverse (3276245023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3205426723 is a prime.

It is not a weakly prime, because it can be changed into another prime (3205420723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602713361 + 1602713362.

It is an arithmetic number, because the mean of its divisors is an integer number (1602713362).

Almost surely, 2^3205426723 is an apocalyptic number.

3205426723 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205426723 is an equidigital number, since it uses as much as digits as its factorization.

3205426723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 3205426723 is about 56616.4880843028. The cubic root of 3205426723 is about 1474.4451381156.

The spelling of 3205426723 in words is "three billion, two hundred five million, four hundred twenty-six thousand, seven hundred twenty-three".