2021000231023 has 2 divisors, whose sum is σ = 2021000231024. Its totient is φ = 2021000231022.

The previous prime is 2021000230987. The next prime is 2021000231057. The reversal of 2021000231023 is 3201320001202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021000231023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021000230988 and 2021000231006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021000231093) 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, 1010500115511 + 1010500115512.

It is an arithmetic number, because the mean of its divisors is an integer number (1010500115512).

Almost surely, 2^{2021000231023} is an apocalyptic number.

2021000231023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021000231023 is an equidigital number, since it uses as much as digits as its factorization.

2021000231023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2021000231023 its reverse (3201320001202), we get a palindrome (5222320232225).

The spelling of 2021000231023 in words is "two trillion, twenty-one billion, two hundred thirty-one thousand, twenty-three".