3113823 has 4 divisors (see below), whose sum is σ = 4151768. Its totient is φ = 2075880.

The previous prime is 3113821. The next prime is 3113833. The reversal of 3113823 is 3283113.

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: 3283113 = 3 ⋅1094371.

It is not a de Polignac number, because 3113823 - 2¹ = 3113821 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3113823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113821) 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, 518968 + ... + 518973.

It is an arithmetic number, because the mean of its divisors is an integer number (1037942).

Almost surely, 2^3113823 is an apocalyptic number.

3113823 is a deficient number, since it is larger than the sum of its proper divisors (1037945).

3113823 is a wasteful number, since it uses less digits than its factorization.

3113823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037944.

The product of its digits is 432, while the sum is 21.

The square root of 3113823 is about 1764.6027881651. The cubic root of 3113823 is about 146.0263760441.

Adding to 3113823 its reverse (3283113), we get a palindrome (6396936).

The spelling of 3113823 in words is "three million, one hundred thirteen thousand, eight hundred twenty-three".