3205523423345 has 16 divisors (see below), whose sum is σ = 3882829333248. Its totient is φ = 2540287693440.

The previous prime is 3205523423327. The next prime is 3205523423359. The reversal of 3205523423345 is 5433243255023.

It is not a de Polignac number, because 3205523423345 - 2¹⁶ = 3205523357809 is a prime.

It is a super-2 number, since 2×3205523423345² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8433437 + ... + 8805333.

It is an arithmetic number, because the mean of its divisors is an integer number (242676833328).

Almost surely, 2^{3205523423345} is an apocalyptic number.

It is an amenable number.

3205523423345 is a deficient number, since it is larger than the sum of its proper divisors (677305909903).

3205523423345 is a wasteful number, since it uses less digits than its factorization.

3205523423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388120.

The product of its (nonzero) digits is 1296000, while the sum is 41.

Adding to 3205523423345 its reverse (5433243255023), we get a palindrome (8638766678368).

The spelling of 3205523423345 in words is "three trillion, two hundred five billion, five hundred twenty-three million, four hundred twenty-three thousand, three hundred forty-five".