13423344233357 has 2 divisors, whose sum is σ = 13423344233358. Its totient is φ = 13423344233356.

The previous prime is 13423344233329. The next prime is 13423344233371. The reversal of 13423344233357 is 75333244332431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13372961492836 + 50382740521 = 3656906^2 + 224461^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423344233357 - 2⁶ = 13423344233293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13423344223357) 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, 6711672116678 + 6711672116679.

It is an arithmetic number, because the mean of its divisors is an integer number (6711672116679).

Almost surely, 2^{13423344233357} is an apocalyptic number.

It is an amenable number.

13423344233357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423344233357 is an equidigital number, since it uses as much as digits as its factorization.

13423344233357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 47.

Adding to 13423344233357 its reverse (75333244332431), we get a palindrome (88756588565788).

The spelling of 13423344233357 in words is "thirteen trillion, four hundred twenty-three billion, three hundred forty-four million, two hundred thirty-three thousand, three hundred fifty-seven".