20023110110233 has 2 divisors, whose sum is σ = 20023110110234. Its totient is φ = 20023110110232.

The previous prime is 20023110110209. The next prime is 20023110110261. The reversal of 20023110110233 is 33201101132002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20021042862144 + 2067248089 = 4474488^2 + 45467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023110110233 is a prime.

It is a super-2 number, since 2×20023110110233² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20023110110233.

It is not a weakly prime, because it can be changed into another prime (20023110110273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011555055116 + 10011555055117.

It is an arithmetic number, because the mean of its divisors is an integer number (10011555055117).

Almost surely, 2^{20023110110233} is an apocalyptic number.

It is an amenable number.

20023110110233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023110110233 is an equidigital number, since it uses as much as digits as its factorization.

20023110110233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20023110110233 its reverse (33201101132002), we get a palindrome (53224211242235).

The spelling of 20023110110233 in words is "twenty trillion, twenty-three billion, one hundred ten million, one hundred ten thousand, two hundred thirty-three".