2299723 has 4 divisors (see below), whose sum is σ = 2343168. Its totient is φ = 2256280.

The previous prime is 2299711. The next prime is 2299727. The reversal of 2299723 is 3279922.

2299723 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 a cyclic number.

It is not a de Polignac number, because 2299723 - 2¹⁷ = 2168651 is a prime.

It is a Duffinian number.

2299723 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2299727) 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, 21643 + ... + 21748.

It is an arithmetic number, because the mean of its divisors is an integer number (585792).

2^2299723 is an apocalyptic number.

2299723 is a deficient number, since it is larger than the sum of its proper divisors (43445).

2299723 is an equidigital number, since it uses as much as digits as its factorization.

2299723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43444.

The product of its digits is 13608, while the sum is 34.

The square root of 2299723 is about 1516.4837618649. The cubic root of 2299723 is about 131.9953128118.

The spelling of 2299723 in words is "two million, two hundred ninety-nine thousand, seven hundred twenty-three".