243143421041 has 8 divisors (see below), whose sum is σ = 243694731168. Its totient is φ = 242592732000.

The previous prime is 243143420999. The next prime is 243143421049. The reversal of 243143421041 is 140124341342.

243143421041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243143421041 - 2⁶ = 243143420977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243143420995 and 243143421013.

It is not an unprimeable number, because it can be changed into a prime (243143421049) 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, 633101 + ... + 941861.

It is an arithmetic number, because the mean of its divisors is an integer number (30461841396).

Almost surely, 2^243143421041 is an apocalyptic number.

It is an amenable number.

243143421041 is a deficient number, since it is larger than the sum of its proper divisors (551310127).

243143421041 is an equidigital number, since it uses as much as digits as its factorization.

243143421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310543.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 243143421041 its reverse (140124341342), we get a palindrome (383267762383).

The spelling of 243143421041 in words is "two hundred forty-three billion, one hundred forty-three million, four hundred twenty-one thousand, forty-one".