20210000023 has 2 divisors, whose sum is σ = 20210000024. Its totient is φ = 20210000022.

The previous prime is 20209999991. The next prime is 20210000039. The reversal of 20210000023 is 32000001202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20210000023 - 2⁵ = 20209999991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20209999964 and 20210000009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210007023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105000011 + 10105000012.

It is an arithmetic number, because the mean of its divisors is an integer number (10105000012).

Almost surely, 2^20210000023 is an apocalyptic number.

20210000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210000023 is an equidigital number, since it uses as much as digits as its factorization.

20210000023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20210000023 its reverse (32000001202), we get a palindrome (52210001225).

The spelling of 20210000023 in words is "twenty billion, two hundred ten million, twenty-three", and thus it is an aban number.