523134252023321 has 2 divisors, whose sum is σ = 523134252023322. Its totient is φ = 523134252023320.

The previous prime is 523134252023311. The next prime is 523134252023333. The reversal of 523134252023321 is 123320252431325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516693132883225 + 6441119140096 = 22730885^2 + 2537936^2 .

It is a cyclic number.

It is not a de Polignac number, because 523134252023321 - 2¹⁴ = 523134252006937 is a prime.

It is not a weakly prime, because it can be changed into another prime (523134252023311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261567126011660 + 261567126011661.

It is an arithmetic number, because the mean of its divisors is an integer number (261567126011661).

Almost surely, 2^{523134252023321} is an apocalyptic number.

It is an amenable number.

523134252023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

523134252023321 is an equidigital number, since it uses as much as digits as its factorization.

523134252023321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 523134252023321 in words is "five hundred twenty-three trillion, one hundred thirty-four billion, two hundred fifty-two million, twenty-three thousand, three hundred twenty-one".