2312143 has 4 divisors (see below), whose sum is σ = 2325240. Its totient is φ = 2299048.

The previous prime is 2312137. The next prime is 2312147. The reversal of 2312143 is 3412132.

It is a happy number.

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 2312143 - 2¹⁷ = 2181071 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312147) 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 in 3 ways as a sum of consecutive naturals, for example, 6280 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (581310).

2^2312143 is an apocalyptic number.

2312143 is a deficient number, since it is larger than the sum of its proper divisors (13097).

2312143 is a wasteful number, since it uses less digits than its factorization.

2312143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13096.

The product of its digits is 144, while the sum is 16.

The square root of 2312143 is about 1520.5732471670. The cubic root of 2312143 is about 132.2325065036.

Adding to 2312143 its reverse (3412132), we get a palindrome (5724275).

The spelling of 2312143 in words is "two million, three hundred twelve thousand, one hundred forty-three".