523453455656713 has 2 divisors, whose sum is σ = 523453455656714. Its totient is φ = 523453455656712.

The previous prime is 523453455656699. The next prime is 523453455656717. The reversal of 523453455656713 is 317656554354325.

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., 523125319156489 + 328136500224 = 22871933^2 + 572832^2 .

It is a cyclic number.

It is not a de Polignac number, because 523453455656713 - 2²⁹ = 523452918785801 is a prime.

It is not a weakly prime, because it can be changed into another prime (523453455656717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261726727828356 + 261726727828357.

It is an arithmetic number, because the mean of its divisors is an integer number (261726727828357).

Almost surely, 2^{523453455656713} is an apocalyptic number.

It is an amenable number.

523453455656713 is a deficient number, since it is larger than the sum of its proper divisors (1).

523453455656713 is an equidigital number, since it uses as much as digits as its factorization.

523453455656713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400000, while the sum is 64.

The spelling of 523453455656713 in words is "five hundred twenty-three trillion, four hundred fifty-three billion, four hundred fifty-five million, six hundred fifty-six thousand, seven hundred thirteen".