243343432001 has 2 divisors, whose sum is σ = 243343432002. Its totient is φ = 243343432000.

The previous prime is 243343431979. The next prime is 243343432043. The reversal of 243343432001 is 100234343342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184500316225 + 58843115776 = 429535^2 + 242576^2 .

It is a cyclic number.

It is not a de Polignac number, because 243343432001 - 2¹⁰ = 243343430977 is a prime.

It is not a weakly prime, because it can be changed into another prime (243343432301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121671716000 + 121671716001.

It is an arithmetic number, because the mean of its divisors is an integer number (121671716001).

Almost surely, 2^243343432001 is an apocalyptic number.

It is an amenable number.

243343432001 is a deficient number, since it is larger than the sum of its proper divisors (1).

243343432001 is an equidigital number, since it uses as much as digits as its factorization.

243343432001 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 243343432001 its reverse (100234343342), we get a palindrome (343577775343).

The spelling of 243343432001 in words is "two hundred forty-three billion, three hundred forty-three million, four hundred thirty-two thousand, one".