243342211153 has 2 divisors, whose sum is σ = 243342211154. Its totient is φ = 243342211152.

The previous prime is 243342211109. The next prime is 243342211159. The reversal of 243342211153 is 351112243342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243095344209 + 246866944 = 493047^2 + 15712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243342211153 is a prime.

It is not a weakly prime, because it can be changed into another prime (243342211159) 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 as a sum of consecutive naturals, namely, 121671105576 + 121671105577.

It is an arithmetic number, because the mean of its divisors is an integer number (121671105577).

Almost surely, 2^243342211153 is an apocalyptic number.

It is an amenable number.

243342211153 is a deficient number, since it is larger than the sum of its proper divisors (1).

243342211153 is an equidigital number, since it uses as much as digits as its factorization.

243342211153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

Adding to 243342211153 its reverse (351112243342), we get a palindrome (594454454495).

The spelling of 243342211153 in words is "two hundred forty-three billion, three hundred forty-two million, two hundred eleven thousand, one hundred fifty-three".