3205605641023 has 2 divisors, whose sum is σ = 3205605641024. Its totient is φ = 3205605641022.

The previous prime is 3205605641003. The next prime is 3205605641033. The reversal of 3205605641023 is 3201465065023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3205605641023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3205605641003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602802820511 + 1602802820512.

It is an arithmetic number, because the mean of its divisors is an integer number (1602802820512).

Almost surely, 2^{3205605641023} is an apocalyptic number.

3205605641023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205605641023 is an equidigital number, since it uses as much as digits as its factorization.

3205605641023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 3205605641023 in words is "three trillion, two hundred five billion, six hundred five million, six hundred forty-one thousand, twenty-three".