20310211001023 has 2 divisors, whose sum is σ = 20310211001024. Its totient is φ = 20310211001022.

The previous prime is 20310211000997. The next prime is 20310211001027. The reversal of 20310211001023 is 32010011201302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20310211001023 - 2⁹ = 20310211000511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20310211000988 and 20310211001006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310211001027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155105500511 + 10155105500512.

It is an arithmetic number, because the mean of its divisors is an integer number (10155105500512).

Almost surely, 2^{20310211001023} is an apocalyptic number.

20310211001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310211001023 is an equidigital number, since it uses as much as digits as its factorization.

20310211001023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20310211001023 its reverse (32010011201302), we get a palindrome (52320222202325).

The spelling of 20310211001023 in words is "twenty trillion, three hundred ten billion, two hundred eleven million, one thousand, twenty-three".