10256412820523 has 2 divisors, whose sum is σ = 10256412820524. Its totient is φ = 10256412820522.

The previous prime is 10256412820453. The next prime is 10256412820541. The reversal of 10256412820523 is 32502821465201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32502821465201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10256412820523 - 2⁸ = 10256412820267 is a prime.

It is not a weakly prime, because it can be changed into another prime (10256412820123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5128206410261 + 5128206410262.

It is an arithmetic number, because the mean of its divisors is an integer number (5128206410262).

Almost surely, 2^{10256412820523} is an apocalyptic number.

10256412820523 is a deficient number, since it is larger than the sum of its proper divisors (1).

10256412820523 is an equidigital number, since it uses as much as digits as its factorization.

10256412820523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 10256412820523 in words is "ten trillion, two hundred fifty-six billion, four hundred twelve million, eight hundred twenty thousand, five hundred twenty-three".