321012343 has 8 divisors (see below), whose sum is σ = 344969712. Its totient is φ = 297618816.

The previous prime is 321012337. The next prime is 321012359. The reversal of 321012343 is 343210123.

321012343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321012343 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 321012343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321012443) 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, 139780 + ... + 142057.

It is an arithmetic number, because the mean of its divisors is an integer number (43121214).

Almost surely, 2^321012343 is an apocalyptic number.

321012343 is a deficient number, since it is larger than the sum of its proper divisors (23957369).

321012343 is a wasteful number, since it uses less digits than its factorization.

321012343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281921.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 321012343 is about 17916.8173233976. The cubic root of 321012343 is about 684.7109036347.

Adding to 321012343 its reverse (343210123), we get a palindrome (664222466).

The spelling of 321012343 in words is "three hundred twenty-one million, twelve thousand, three hundred forty-three".