1223443244239 has 2 divisors, whose sum is σ = 1223443244240. Its totient is φ = 1223443244238.

The previous prime is 1223443244227. The next prime is 1223443244333. The reversal of 1223443244239 is 9324423443221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223443244239 - 2¹³ = 1223443236047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223443244195 and 1223443244204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223443244039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611721622119 + 611721622120.

It is an arithmetic number, because the mean of its divisors is an integer number (611721622120).

Almost surely, 2^{1223443244239} is an apocalyptic number.

1223443244239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223443244239 is an equidigital number, since it uses as much as digits as its factorization.

1223443244239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 43.

The spelling of 1223443244239 in words is "one trillion, two hundred twenty-three billion, four hundred forty-three million, two hundred forty-four thousand, two hundred thirty-nine".