2001343 has 8 divisors (see below), whose sum is σ = 2052000. Its totient is φ = 1951488.

The previous prime is 2001331. The next prime is 2001347. The reversal of 2001343 is 3431002.

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

It is a cyclic number.

It is not a de Polignac number, because 2001343 - 2¹³ = 1993151 is a prime.

It is a Duffinian number.

2001343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9958 + ... + 10156.

It is an arithmetic number, because the mean of its divisors is an integer number (256500).

2^2001343 is an apocalyptic number.

2001343 is a deficient number, since it is larger than the sum of its proper divisors (50657).

2001343 is a wasteful number, since it uses less digits than its factorization.

2001343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2001343 is about 1414.6883048926. The cubic root of 2001343 is about 126.0202999123.

Adding to 2001343 its reverse (3431002), we get a palindrome (5432345).

The spelling of 2001343 in words is "two million, one thousand, three hundred forty-three".