201230111231023 has 16 divisors (see below), whose sum is σ = 230073844492800. Its totient is φ = 172410525364896.

The previous prime is 201230111231011. The next prime is 201230111231059. The reversal of 201230111231023 is 320132111032102.

It is not a de Polignac number, because 201230111231023 - 2¹³ = 201230111222831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201230111230985 and 201230111231003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201230111231423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746469886 + ... + 746739412.

It is an arithmetic number, because the mean of its divisors is an integer number (14379615280800).

Almost surely, 2^{201230111231023} is an apocalyptic number.

201230111231023 is a deficient number, since it is larger than the sum of its proper divisors (28843733261777).

201230111231023 is a wasteful number, since it uses less digits than its factorization.

201230111231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313926.

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

Adding to 201230111231023 its reverse (320132111032102), we get a palindrome (521362222263125).

The spelling of 201230111231023 in words is "two hundred one trillion, two hundred thirty billion, one hundred eleven million, two hundred thirty-one thousand, twenty-three".