3205386138223 has 2 divisors, whose sum is σ = 3205386138224. Its totient is φ = 3205386138222.

The previous prime is 3205386138221. The next prime is 3205386138259. The reversal of 3205386138223 is 3228316835023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3205386138223 - 2¹ = 3205386138221 is a prime.

It is a super-2 number, since 2×3205386138223² (a number of 26 digits) contains 22 as substring.

Together with 3205386138221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3205386138221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602693069111 + 1602693069112.

It is an arithmetic number, because the mean of its divisors is an integer number (1602693069112).

Almost surely, 2^{3205386138223} is an apocalyptic number.

3205386138223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205386138223 is an equidigital number, since it uses as much as digits as its factorization.

3205386138223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 3205386138223 in words is "three trillion, two hundred five billion, three hundred eighty-six million, one hundred thirty-eight thousand, two hundred twenty-three".