2002012343 has 4 divisors (see below), whose sum is σ = 2005041768. Its totient is φ = 1998982920.

The previous prime is 2002012297. The next prime is 2002012393. The reversal of 2002012343 is 3432102002.

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 2002012343 - 2²⁶ = 1934903479 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 (2002012393) 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, 1513721 + ... + 1515042.

It is an arithmetic number, because the mean of its divisors is an integer number (501260442).

Almost surely, 2^2002012343 is an apocalyptic number.

2002012343 is a deficient number, since it is larger than the sum of its proper divisors (3029425).

2002012343 is an equidigital number, since it uses as much as digits as its factorization.

2002012343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029424.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2002012343 is about 44743.8525721691. The cubic root of 2002012343 is about 1260.3434738005.

Adding to 2002012343 its reverse (3432102002), we get a palindrome (5434114345).

The spelling of 2002012343 in words is "two billion, two million, twelve thousand, three hundred forty-three".