3205423111 has 4 divisors (see below), whose sum is σ = 3496825224. Its totient is φ = 2914021000.

The previous prime is 3205423097. The next prime is 3205423153. The reversal of 3205423111 is 1113245023.

It is a happy number.

3205423111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3205423111 - 2⁵ = 3205423079 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205423811) 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, 145701040 + ... + 145701061.

It is an arithmetic number, because the mean of its divisors is an integer number (874206306).

Almost surely, 2^3205423111 is an apocalyptic number.

3205423111 is a deficient number, since it is larger than the sum of its proper divisors (291402113).

3205423111 is a wasteful number, since it uses less digits than its factorization.

3205423111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291402112.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3205423111 is about 56616.4561854590. The cubic root of 3205423111 is about 1474.4445842946. Note that the first 3 decimals are identical.

Adding to 3205423111 its reverse (1113245023), we get a palindrome (4318668134).

The spelling of 3205423111 in words is "three billion, two hundred five million, four hundred twenty-three thousand, one hundred eleven".