20010223232123 has 2 divisors, whose sum is σ = 20010223232124. Its totient is φ = 20010223232122.

The previous prime is 20010223232113. The next prime is 20010223232203. The reversal of 20010223232123 is 32123232201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010223232123 - 2³⁶ = 19941503755387 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010223232113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005111616061 + 10005111616062.

It is an arithmetic number, because the mean of its divisors is an integer number (10005111616062).

Almost surely, 2^{20010223232123} is an apocalyptic number.

20010223232123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010223232123 is an equidigital number, since it uses as much as digits as its factorization.

20010223232123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20010223232123 its reverse (32123232201002), we get a palindrome (52133455433125).

The spelling of 20010223232123 in words is "twenty trillion, ten billion, two hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty-three".