1223112443239 has 2 divisors, whose sum is σ = 1223112443240. Its totient is φ = 1223112443238.

The previous prime is 1223112443221. The next prime is 1223112443339. The reversal of 1223112443239 is 9323442113221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223112443239 - 2¹³ = 1223112435047 is a prime.

It is a super-2 number, since 2×1223112443239² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223112443198 and 1223112443207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223112443219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611556221619 + 611556221620.

It is an arithmetic number, because the mean of its divisors is an integer number (611556221620).

Almost surely, 2^{1223112443239} is an apocalyptic number.

1223112443239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223112443239 is an equidigital number, since it uses as much as digits as its factorization.

1223112443239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The spelling of 1223112443239 in words is "one trillion, two hundred twenty-three billion, one hundred twelve million, four hundred forty-three thousand, two hundred thirty-nine".