1243002032143 has 8 divisors (see below), whose sum is σ = 1266488848800. Its totient is φ = 1219516472928.

The previous prime is 1243002032137. The next prime is 1243002032159. The reversal of 1243002032143 is 3412302003421.

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-1243002032143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243002039143) 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 7 ways as a sum of consecutive naturals, for example, 1816518 + ... + 2405356.

It is an arithmetic number, because the mean of its divisors is an integer number (158311106100).

Almost surely, 2^{1243002032143} is an apocalyptic number.

1243002032143 is a deficient number, since it is larger than the sum of its proper divisors (23486816657).

1243002032143 is an equidigital number, since it uses as much as digits as its factorization.

1243002032143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628721.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1243002032143 its reverse (3412302003421), we get a palindrome (4655304035564).

The spelling of 1243002032143 in words is "one trillion, two hundred forty-three billion, two million, thirty-two thousand, one hundred forty-three".