1000043321343 has 16 divisors (see below), whose sum is σ = 1455934507776. Its totient is φ = 605534344640.

The previous prime is 1000043321297. The next prime is 1000043321353. The reversal of 1000043321343 is 3431233400001.

It is a cyclic number.

It is not a de Polignac number, because 1000043321343 - 2¹⁰ = 1000043320319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000043321353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13776171 + ... + 13848572.

It is an arithmetic number, because the mean of its divisors is an integer number (90995906736).

Almost surely, 2^{1000043321343} is an apocalyptic number.

1000043321343 is a deficient number, since it is larger than the sum of its proper divisors (455891186433).

1000043321343 is a wasteful number, since it uses less digits than its factorization.

1000043321343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27625854.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1000043321343 its reverse (3431233400001), we get a palindrome (4431276721344).

The spelling of 1000043321343 in words is "one trillion, forty-three million, three hundred twenty-one thousand, three hundred forty-three".