2299823 has 2 divisors, whose sum is σ = 2299824. Its totient is φ = 2299822.

The previous prime is 2299789. The next prime is 2299837. The reversal of 2299823 is 3289922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2299823 - 2²⁰ = 1251247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2299873) 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 as a sum of consecutive naturals, namely, 1149911 + 1149912.

It is an arithmetic number, because the mean of its divisors is an integer number (1149912).

2^2299823 is an apocalyptic number.

2299823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2299823 is an equidigital number, since it uses as much as digits as its factorization.

2299823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 2299823 is about 1516.5167325157. The cubic root of 2299823 is about 131.9972259901.

Subtracting 2299823 from its reverse (3289922), we obtain a palindrome (990099).

The spelling of 2299823 in words is "two million, two hundred ninety-nine thousand, eight hundred twenty-three".