243331204043 has 2 divisors, whose sum is σ = 243331204044. Its totient is φ = 243331204042.

The previous prime is 243331204027. The next prime is 243331204079. The reversal of 243331204043 is 340402133342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243331204043 - 2⁴ = 243331204027 is a prime.

It is a super-2 number, since 2×243331204043² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243331203997 and 243331204015.

It is not a weakly prime, because it can be changed into another prime (243331204093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121665602021 + 121665602022.

It is an arithmetic number, because the mean of its divisors is an integer number (121665602022).

Almost surely, 2^243331204043 is an apocalyptic number.

243331204043 is a deficient number, since it is larger than the sum of its proper divisors (1).

243331204043 is an equidigital number, since it uses as much as digits as its factorization.

243331204043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 243331204043 its reverse (340402133342), we get a palindrome (583733337385).

The spelling of 243331204043 in words is "two hundred forty-three billion, three hundred thirty-one million, two hundred four thousand, forty-three".