2297143 has 4 divisors (see below), whose sum is σ = 2300368. Its totient is φ = 2293920.

The previous prime is 2297137. The next prime is 2297149. The reversal of 2297143 is 3417922.

2297143 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3417922 = 2 ⋅1708961.

It is an interprime number because it is at equal distance from previous prime (2297137) and next prime (2297149).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2297143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297149) 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, 18 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (575092).

2^2297143 is an apocalyptic number.

2297143 is a deficient number, since it is larger than the sum of its proper divisors (3225).

2297143 is a wasteful number, since it uses less digits than its factorization.

2297143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224.

The product of its digits is 3024, while the sum is 28.

The square root of 2297143 is about 1515.6328711136. The cubic root of 2297143 is about 131.9459336276.

The spelling of 2297143 in words is "two million, two hundred ninety-seven thousand, one hundred forty-three".