13423435420441 has 2 divisors, whose sum is σ = 13423435420442. Its totient is φ = 13423435420440.

The previous prime is 13423435420429. The next prime is 13423435420457. The reversal of 13423435420441 is 14402453432431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7412528979216 + 6010906441225 = 2722596^2 + 2451715^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423435420441 - 2²⁵ = 13423401866009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13423435420394 and 13423435420403.

It is not a weakly prime, because it can be changed into another prime (13423435420541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711717710220 + 6711717710221.

It is an arithmetic number, because the mean of its divisors is an integer number (6711717710221).

Almost surely, 2^{13423435420441} is an apocalyptic number.

It is an amenable number.

13423435420441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423435420441 is an equidigital number, since it uses as much as digits as its factorization.

13423435420441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 13423435420441 its reverse (14402453432431), we get a palindrome (27825888852872).

The spelling of 13423435420441 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-five million, four hundred twenty thousand, four hundred forty-one".