2297823 has 16 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 1381280.

The previous prime is 2297819. The next prime is 2297843. The reversal of 2297823 is 3287922.

It is a cyclic number.

It is not a de Polignac number, because 2297823 - 2² = 2297819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 2² + 2¹⁰ + 9⁴ + 7⁶ + 8⁷ + 2¹⁴ + 3¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5713 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

2^2297823 is an apocalyptic number.

2297823 is a deficient number, since it is larger than the sum of its proper divisors (1071777).

2297823 is a wasteful number, since it uses less digits than its factorization.

2297823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its digits is 12096, while the sum is 33.

The square root of 2297823 is about 1515.8571832465. The cubic root of 2297823 is about 131.9589518830.

Subtracting 2297823 from its reverse (3287922), we obtain a palindrome (990099).

The spelling of 2297823 in words is "two million, two hundred ninety-seven thousand, eight hundred twenty-three".