2003042343 has 8 divisors (see below), whose sum is σ = 2675607808. Its totient is φ = 1332919224.

The previous prime is 2003042333. The next prime is 2003042347. The reversal of 2003042343 is 3432403002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2003042343 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 (2003042347) 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 7 ways as a sum of consecutive naturals, for example, 608671 + ... + 611952.

It is an arithmetic number, because the mean of its divisors is an integer number (334450976).

Almost surely, 2^2003042343 is an apocalyptic number.

2003042343 is a deficient number, since it is larger than the sum of its proper divisors (672565465).

2003042343 is a wasteful number, since it uses less digits than its factorization.

2003042343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221173.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 2003042343 is about 44755.3610531744. The cubic root of 2003042343 is about 1260.5595782317.

Adding to 2003042343 its reverse (3432403002), we get a palindrome (5435445345).

The spelling of 2003042343 in words is "two billion, three million, forty-two thousand, three hundred forty-three".