10020323553503 has 2 divisors, whose sum is σ = 10020323553504. Its totient is φ = 10020323553502.

The previous prime is 10020323553497. The next prime is 10020323553517. The reversal of 10020323553503 is 30535532302001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10020323553503 - 2¹² = 10020323549407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10020323553503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020323553563) 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, 5010161776751 + 5010161776752.

It is an arithmetic number, because the mean of its divisors is an integer number (5010161776752).

Almost surely, 2^{10020323553503} is an apocalyptic number.

10020323553503 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020323553503 is an equidigital number, since it uses as much as digits as its factorization.

10020323553503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 32.

Adding to 10020323553503 its reverse (30535532302001), we get a palindrome (40555855855504).

The spelling of 10020323553503 in words is "ten trillion, twenty billion, three hundred twenty-three million, five hundred fifty-three thousand, five hundred three".