1000321343 has 8 divisors (see below), whose sum is σ = 1159326720. Its totient is φ = 845341560.

The previous prime is 1000321319. The next prime is 1000321369. The reversal of 1000321343 is 3431230001.

It is a happy number.

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

It is not a de Polignac number, because 1000321343 - 2¹⁶ = 1000255807 is a prime.

It is a super-2 number, since 2×1000321343² = 2001285578522647298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000321303) 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, 1005863 + ... + 1006856.

It is an arithmetic number, because the mean of its divisors is an integer number (144915840).

Almost surely, 2^1000321343 is an apocalyptic number.

1000321343 is a deficient number, since it is larger than the sum of its proper divisors (159005377).

1000321343 is an equidigital number, since it uses as much as digits as its factorization.

1000321343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012797.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1000321343 is about 31627.8570725239. The cubic root of 1000321343 is about 1000.1071028619.

Adding to 1000321343 its reverse (3431230001), we get a palindrome (4431551344).

The spelling of 1000321343 in words is "one billion, three hundred twenty-one thousand, three hundred forty-three".