1123436310443 has 2 divisors, whose sum is σ = 1123436310444. Its totient is φ = 1123436310442.

The previous prime is 1123436310439. The next prime is 1123436310449. The reversal of 1123436310443 is 3440136343211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123436310443 - 2² = 1123436310439 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123436310449) 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 as a sum of consecutive naturals, namely, 561718155221 + 561718155222.

It is an arithmetic number, because the mean of its divisors is an integer number (561718155222).

Almost surely, 2^{1123436310443} is an apocalyptic number.

1123436310443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123436310443 is an equidigital number, since it uses as much as digits as its factorization.

1123436310443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 1123436310443 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-six million, three hundred ten thousand, four hundred forty-three".