1043040330243 has 24 divisors (see below), whose sum is σ = 1537878279600. Its totient is φ = 680978975040.

The previous prime is 1043040330217. The next prime is 1043040330251. The reversal of 1043040330243 is 3420330403401.

1043040330243 is a `hidden beast` number, since 1 + 0 + 4 + 304 + 0 + 330 + 24 + 3 = 666.

It is not a de Polignac number, because 1043040330243 - 2⁹ = 1043040329731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043040331243) 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 in 23 ways as a sum of consecutive naturals, for example, 1762893 + ... + 2279006.

It is an arithmetic number, because the mean of its divisors is an integer number (64078261650).

Almost surely, 2^{1043040330243} is an apocalyptic number.

1043040330243 is a deficient number, since it is larger than the sum of its proper divisors (494837949357).

1043040330243 is a wasteful number, since it uses less digits than its factorization.

1043040330243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042499 (or 4042496 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 1043040330243 its reverse (3420330403401), we get a palindrome (4463370733644).

The spelling of 1043040330243 in words is "one trillion, forty-three billion, forty million, three hundred thirty thousand, two hundred forty-three".