1043203100243 has 8 divisors (see below), whose sum is σ = 1047459931200. Its totient is φ = 1038954593088.

The previous prime is 1043203100237. The next prime is 1043203100249. The reversal of 1043203100243 is 3420013023401.

It is an interprime number because it is at equal distance from previous prime (1043203100237) and next prime (1043203100249).

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

It is a cyclic number.

It is not a de Polignac number, because 1043203100243 - 2⁴ = 1043203100227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043203100249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829723 + ... + 2331156.

It is an arithmetic number, because the mean of its divisors is an integer number (130932491400).

Almost surely, 2^{1043203100243} is an apocalyptic number.

1043203100243 is a deficient number, since it is larger than the sum of its proper divisors (4256830957).

1043203100243 is an equidigital number, since it uses as much as digits as its factorization.

1043203100243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161901.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1043203100243 its reverse (3420013023401), we get a palindrome (4463216123644).

The spelling of 1043203100243 in words is "one trillion, forty-three billion, two hundred three million, one hundred thousand, two hundred forty-three".