13243453453 has 2 divisors, whose sum is σ = 13243453454. Its totient is φ = 13243453452.

The previous prime is 13243453411. The next prime is 13243453459. The reversal of 13243453453 is 35435434231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13151043684 + 92409769 = 114678^2 + 9613^2 .

It is a cyclic number.

It is not a de Polignac number, because 13243453453 - 2²⁹ = 12706582541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13243453459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621726726 + 6621726727.

It is an arithmetic number, because the mean of its divisors is an integer number (6621726727).

Almost surely, 2^13243453453 is an apocalyptic number.

It is an amenable number.

13243453453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243453453 is an equidigital number, since it uses as much as digits as its factorization.

13243453453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 37.

Adding to 13243453453 its reverse (35435434231), we get a palindrome (48678887684).

The spelling of 13243453453 in words is "thirteen billion, two hundred forty-three million, four hundred fifty-three thousand, four hundred fifty-three".