1001231230343 has 2 divisors, whose sum is σ = 1001231230344. Its totient is φ = 1001231230342.

The previous prime is 1001231230301. The next prime is 1001231230387. The reversal of 1001231230343 is 3430321321001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001231230343 - 2¹⁴ = 1001231213959 is a prime.

It is a super-3 number, since 3×1001231230343³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001233230343) 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 as a sum of consecutive naturals, namely, 500615615171 + 500615615172.

It is an arithmetic number, because the mean of its divisors is an integer number (500615615172).

Almost surely, 2^{1001231230343} is an apocalyptic number.

1001231230343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001231230343 is an equidigital number, since it uses as much as digits as its factorization.

1001231230343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1001231230343 its reverse (3430321321001), we get a palindrome (4431552551344).

The spelling of 1001231230343 in words is "one trillion, one billion, two hundred thirty-one million, two hundred thirty thousand, three hundred forty-three".