20110010023 has 2 divisors, whose sum is σ = 20110010024. Its totient is φ = 20110010022.

The previous prime is 20110010021. The next prime is 20110010057. The reversal of 20110010023 is 32001001102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110010023 - 2¹ = 20110010021 is a prime.

Together with 20110010021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20110009991 and 20110010009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110010021) 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, 10055005011 + 10055005012.

It is an arithmetic number, because the mean of its divisors is an integer number (10055005012).

Almost surely, 2^20110010023 is an apocalyptic number.

20110010023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110010023 is an equidigital number, since it uses as much as digits as its factorization.

20110010023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20110010023 its reverse (32001001102), we get a palindrome (52111011125).

The spelling of 20110010023 in words is "twenty billion, one hundred ten million, ten thousand, twenty-three".