2002313543 has 4 divisors (see below), whose sum is σ = 2002563960. Its totient is φ = 2002063128.

The previous prime is 2002313527. The next prime is 2002313549. The reversal of 2002313543 is 3453132002.

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 2002313543 - 2⁴ = 2002313527 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 (2002313549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112805 + ... + 129342.

It is an arithmetic number, because the mean of its divisors is an integer number (500640990).

Almost surely, 2^2002313543 is an apocalyptic number.

2002313543 is a deficient number, since it is larger than the sum of its proper divisors (250417).

2002313543 is an equidigital number, since it uses as much as digits as its factorization.

2002313543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250416.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2002313543 is about 44747.2182710836. The cubic root of 2002313543 is about 1260.4066762777.

Adding to 2002313543 its reverse (3453132002), we get a palindrome (5455445545).

The spelling of 2002313543 in words is "two billion, two million, three hundred thirteen thousand, five hundred forty-three".