2304723 has 4 divisors (see below), whose sum is σ = 3072968. Its totient is φ = 1536480.

The previous prime is 2304721. The next prime is 2304727. The reversal of 2304723 is 3274032.

It is a happy number.

2304723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2304723 - 2¹ = 2304721 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 2304723.

It is not an unprimeable number, because it can be changed into a prime (2304721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384118 + ... + 384123.

It is an arithmetic number, because the mean of its divisors is an integer number (768242).

2^2304723 is an apocalyptic number.

2304723 is a deficient number, since it is larger than the sum of its proper divisors (768245).

2304723 is an equidigital number, since it uses as much as digits as its factorization.

2304723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768244.

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

The square root of 2304723 is about 1518.1314172363. The cubic root of 2304723 is about 132.0909038663.

Adding to 2304723 its reverse (3274032), we get a palindrome (5578755).

The spelling of 2304723 in words is "two million, three hundred four thousand, seven hundred twenty-three".