20203010506823 has 2 divisors, whose sum is σ = 20203010506824. Its totient is φ = 20203010506822.

The previous prime is 20203010506781. The next prime is 20203010506829. The reversal of 20203010506823 is 32860501030202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20203010506823 - 2¹⁶ = 20203010441287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20203010506823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20203010506829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101505253411 + 10101505253412.

It is an arithmetic number, because the mean of its divisors is an integer number (10101505253412).

Almost surely, 2^{20203010506823} is an apocalyptic number.

20203010506823 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203010506823 is an equidigital number, since it uses as much as digits as its factorization.

20203010506823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20203010506823 in words is "twenty trillion, two hundred three billion, ten million, five hundred six thousand, eight hundred twenty-three".