13223120122357 has 2 divisors, whose sum is σ = 13223120122358. Its totient is φ = 13223120122356.

The previous prime is 13223120122313. The next prime is 13223120122411. The reversal of 13223120122357 is 75322102132231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7964395159876 + 5258724962481 = 2822126^2 + 2293191^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223120122357 - 2⁷ = 13223120122229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223120122657) 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, 6611560061178 + 6611560061179.

It is an arithmetic number, because the mean of its divisors is an integer number (6611560061179).

Almost surely, 2^{13223120122357} is an apocalyptic number.

It is an amenable number.

13223120122357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223120122357 is an equidigital number, since it uses as much as digits as its factorization.

13223120122357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 13223120122357 its reverse (75322102132231), we get a palindrome (88545222254588).

The spelling of 13223120122357 in words is "thirteen trillion, two hundred twenty-three billion, one hundred twenty million, one hundred twenty-two thousand, three hundred fifty-seven".