3205021023 has 24 divisors (see below), whose sum is σ = 4876227200. Its totient is φ = 2022938064.

The previous prime is 3205021019. The next prime is 3205021037. The reversal of 3205021023 is 3201205023.

It is not a de Polignac number, because 3205021023 - 2² = 3205021019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3205020987 and 3205021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205021063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314238 + ... + 324276.

Almost surely, 2^3205021023 is an apocalyptic number.

3205021023 is a deficient number, since it is larger than the sum of its proper divisors (1671206177).

3205021023 is a wasteful number, since it uses less digits than its factorization.

3205021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11931 (or 11928 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3205021023 is about 56612.9050923904. The cubic root of 3205021023 is about 1474.3829303159.

Adding to 3205021023 its reverse (3201205023), we get a palindrome (6406226046).

The spelling of 3205021023 in words is "three billion, two hundred five million, twenty-one thousand, twenty-three".