1230244443647 has 2 divisors, whose sum is σ = 1230244443648. Its totient is φ = 1230244443646.

The previous prime is 1230244443611. The next prime is 1230244443667. The reversal of 1230244443647 is 7463444420321.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7463444420321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230244443647 - 2¹⁴ = 1230244427263 is a prime.

It is a super-2 number, since 2×1230244443647² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230244443598 and 1230244443607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230244443607) 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, 615122221823 + 615122221824.

It is an arithmetic number, because the mean of its divisors is an integer number (615122221824).

Almost surely, 2^{1230244443647} is an apocalyptic number.

1230244443647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230244443647 is an equidigital number, since it uses as much as digits as its factorization.

1230244443647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 44.

Adding to 1230244443647 its reverse (7463444420321), we get a palindrome (8693688863968).

The spelling of 1230244443647 in words is "one trillion, two hundred thirty billion, two hundred forty-four million, four hundred forty-three thousand, six hundred forty-seven".