2243423 has 16 divisors (see below), whose sum is σ = 2802240. Its totient is φ = 1748736.

The previous prime is 2243419. The next prime is 2243429. The reversal of 2243423 is 3243422.

It is a cyclic number.

It is not a de Polignac number, because 2243423 - 2² = 2243419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2243395 and 2243404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243429) 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 15 ways as a sum of consecutive naturals, for example, 7961 + ... + 8237.

It is an arithmetic number, because the mean of its divisors is an integer number (175140).

2^2243423 is an apocalyptic number.

2243423 is a deficient number, since it is larger than the sum of its proper divisors (558817).

2243423 is a wasteful number, since it uses less digits than its factorization.

2243423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its digits is 1152, while the sum is 20.

The square root of 2243423 is about 1497.8060622123. The cubic root of 2243423 is about 130.9092664636.

Adding to 2243423 its reverse (3243422), we get a palindrome (5486845).

Subtracting 2243423 from its reverse (3243422), we obtain a palindrome (999999).

The spelling of 2243423 in words is "two million, two hundred forty-three thousand, four hundred twenty-three".