3205323623 has 4 divisors (see below), whose sum is σ = 3206388360. Its totient is φ = 3204258888.

The previous prime is 3205323601. The next prime is 3205323637. The reversal of 3205323623 is 3263235023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3263235023 = 313 ⋅10425671.

It is a cyclic number.

It is not a de Polignac number, because 3205323623 - 2⁸ = 3205323367 is a prime.

It is a super-2 number, since 2×3205323623² = 20548199056323692258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205323683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527840 + ... + 533877.

It is an arithmetic number, because the mean of its divisors is an integer number (801597090).

Almost surely, 2^3205323623 is an apocalyptic number.

3205323623 is a deficient number, since it is larger than the sum of its proper divisors (1064737).

3205323623 is a wasteful number, since it uses less digits than its factorization.

3205323623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064736.

The product of its (nonzero) digits is 19440, while the sum is 29.

The square root of 3205323623 is about 56615.5775648363. The cubic root of 3205323623 is about 1474.4293298279.

Adding to 3205323623 its reverse (3263235023), we get a palindrome (6468558646).

The spelling of 3205323623 in words is "three billion, two hundred five million, three hundred twenty-three thousand, six hundred twenty-three".