3205646306223 has 16 divisors (see below), whose sum is σ = 4315250374656. Its totient is φ = 2116657427040.

The previous prime is 3205646306221. The next prime is 3205646306231. The reversal of 3205646306223 is 3226036465023.

It is a happy number.

It is not a de Polignac number, because 3205646306223 - 2¹ = 3205646306221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205646306221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10795711 + ... + 11088672.

It is an arithmetic number, because the mean of its divisors is an integer number (269703148416).

Almost surely, 2^{3205646306223} is an apocalyptic number.

3205646306223 is a deficient number, since it is larger than the sum of its proper divisors (1109604068433).

3205646306223 is a wasteful number, since it uses less digits than its factorization.

3205646306223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21884854.

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 3205646306223 in words is "three trillion, two hundred five billion, six hundred forty-six million, three hundred six thousand, two hundred twenty-three".