3243823 has 4 divisors (see below), whose sum is σ = 3538728. Its totient is φ = 2948920.

The previous prime is 3243811. The next prime is 3243833. The reversal of 3243823 is 3283423.

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

It is a cyclic number.

It is not a de Polignac number, because 3243823 - 2²¹ = 1146671 is a prime.

It is an Ulam 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 (3243833) 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, 147436 + ... + 147457.

It is an arithmetic number, because the mean of its divisors is an integer number (884682).

Almost surely, 2^3243823 is an apocalyptic number.

3243823 is a deficient number, since it is larger than the sum of its proper divisors (294905).

3243823 is a wasteful number, since it uses less digits than its factorization.

3243823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294904.

The product of its digits is 3456, while the sum is 25.

The square root of 3243823 is about 1801.0616313719. The cubic root of 3243823 is about 148.0309011444.

The spelling of 3243823 in words is "three million, two hundred forty-three thousand, eight hundred twenty-three".