20113230023 has 2 divisors, whose sum is σ = 20113230024. Its totient is φ = 20113230022.

The previous prime is 20113230019. The next prime is 20113230047. The reversal of 20113230023 is 32003231102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113230023 - 2² = 20113230019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20113229983 and 20113230010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113230013) 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, 10056615011 + 10056615012.

It is an arithmetic number, because the mean of its divisors is an integer number (10056615012).

Almost surely, 2^20113230023 is an apocalyptic number.

20113230023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113230023 is an equidigital number, since it uses as much as digits as its factorization.

20113230023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20113230023 its reverse (32003231102), we get a palindrome (52116461125).

The spelling of 20113230023 in words is "twenty billion, one hundred thirteen million, two hundred thirty thousand, twenty-three".