2311423 has 4 divisors (see below), whose sum is σ = 2333968. Its totient is φ = 2288880.

The previous prime is 2311417. The next prime is 2311451. The reversal of 2311423 is 3241132.

It is a happy number.

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 2311423 - 2⁹ = 2310911 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2311397 and 2311406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11118 + ... + 11323.

It is an arithmetic number, because the mean of its divisors is an integer number (583492).

2^2311423 is an apocalyptic number.

2311423 is a deficient number, since it is larger than the sum of its proper divisors (22545).

2311423 is a wasteful number, since it uses less digits than its factorization.

2311423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22544.

The product of its digits is 144, while the sum is 16.

The square root of 2311423 is about 1520.3364759158. The cubic root of 2311423 is about 132.2187793699.

Adding to 2311423 its reverse (3241132), we get a palindrome (5552555).

The spelling of 2311423 in words is "two million, three hundred eleven thousand, four hundred twenty-three".