2223723 has 8 divisors (see below), whose sum is σ = 3060736. Its totient is φ = 1434600.

The previous prime is 2223713. The next prime is 2223731. The reversal of 2223723 is 3273222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2223723 - 2⁸ = 2223467 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2⁹ + 2¹³ + 3² + 7⁶ + 2²¹ + 3⁴ .

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 2223723.

It is not an unprimeable number, because it can be changed into a prime (2223713) 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 7 ways as a sum of consecutive naturals, for example, 11863 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (382592).

2^2223723 is an apocalyptic number.

2223723 is a deficient number, since it is larger than the sum of its proper divisors (837013).

2223723 is a wasteful number, since it uses less digits than its factorization.

2223723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23945.

The product of its digits is 1008, while the sum is 21.

The square root of 2223723 is about 1491.2152762093. The cubic root of 2223723 is about 130.5249581600.

Adding to 2223723 its reverse (3273222), we get a palindrome (5496945).

The spelling of 2223723 in words is "two million, two hundred twenty-three thousand, seven hundred twenty-three".