1241223353443 has 2 divisors, whose sum is σ = 1241223353444. Its totient is φ = 1241223353442.

The previous prime is 1241223353441. The next prime is 1241223353459. The reversal of 1241223353443 is 3443533221421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1241223353443 - 2¹ = 1241223353441 is a prime.

Together with 1241223353441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1241223353441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620611676721 + 620611676722.

It is an arithmetic number, because the mean of its divisors is an integer number (620611676722).

Almost surely, 2^{1241223353443} is an apocalyptic number.

1241223353443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241223353443 is an equidigital number, since it uses as much as digits as its factorization.

1241223353443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 37.

Adding to 1241223353443 its reverse (3443533221421), we get a palindrome (4684756574864).

The spelling of 1241223353443 in words is "one trillion, two hundred forty-one billion, two hundred twenty-three million, three hundred fifty-three thousand, four hundred forty-three".