2318143 has 4 divisors (see below), whose sum is σ = 2321200. Its totient is φ = 2315088.

The previous prime is 2318119. The next prime is 2318153. The reversal of 2318143 is 3418132.

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.

It is a cyclic number.

It is not a de Polignac number, because 2318143 - 2⁵ = 2318111 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 (2318153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (580300).

2^2318143 is an apocalyptic number.

2318143 is a deficient number, since it is larger than the sum of its proper divisors (3057).

2318143 is a wasteful number, since it uses less digits than its factorization.

2318143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056.

The product of its digits is 576, while the sum is 22.

The square root of 2318143 is about 1522.5449090257. The cubic root of 2318143 is about 132.3467886135.

The spelling of 2318143 in words is "two million, three hundred eighteen thousand, one hundred forty-three".