23112012163 has 2 divisors, whose sum is σ = 23112012164. Its totient is φ = 23112012162.

The previous prime is 23112012151. The next prime is 23112012197. The reversal of 23112012163 is 36121021132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23112012163 is a prime.

It is not a weakly prime, because it can be changed into another prime (23112012263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556006081 + 11556006082.

It is an arithmetic number, because the mean of its divisors is an integer number (11556006082).

Almost surely, 2^23112012163 is an apocalyptic number.

23112012163 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112012163 is an equidigital number, since it uses as much as digits as its factorization.

23112012163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23112012163 its reverse (36121021132), we get a palindrome (59233033295).

The spelling of 23112012163 in words is "twenty-three billion, one hundred twelve million, twelve thousand, one hundred sixty-three".