12423604255441 has 2 divisors, whose sum is σ = 12423604255442. Its totient is φ = 12423604255440.

The previous prime is 12423604255379. The next prime is 12423604255463. The reversal of 12423604255441 is 14455240632421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11804007004416 + 619597251025 = 3435696^2 + 787145^2 .

It is an emirp because it is prime and its reverse (14455240632421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12423604255441 - 2¹¹ = 12423604253393 is a prime.

It is not a weakly prime, because it can be changed into another prime (12423604255481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211802127720 + 6211802127721.

It is an arithmetic number, because the mean of its divisors is an integer number (6211802127721).

Almost surely, 2^{12423604255441} is an apocalyptic number.

It is an amenable number.

12423604255441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423604255441 is an equidigital number, since it uses as much as digits as its factorization.

12423604255441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 12423604255441 its reverse (14455240632421), we get a palindrome (26878844887862).

The spelling of 12423604255441 in words is "twelve trillion, four hundred twenty-three billion, six hundred four million, two hundred fifty-five thousand, four hundred forty-one".