231010212100223 has 4 divisors (see below), whose sum is σ = 231012303198240. Its totient is φ = 231008121002208.

The previous prime is 231010212100193. The next prime is 231010212100229. The reversal of 231010212100223 is 322001212010132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231010212100223 - 2³⁰ = 231009138358399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231010212100195 and 231010212100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231010212100229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045383290 + ... + 1045604247.

It is an arithmetic number, because the mean of its divisors is an integer number (57753075799560).

Almost surely, 2^{231010212100223} is an apocalyptic number.

231010212100223 is a deficient number, since it is larger than the sum of its proper divisors (2091098017).

231010212100223 is a wasteful number, since it uses less digits than its factorization.

231010212100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091098016.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 231010212100223 its reverse (322001212010132), we get a palindrome (553011424110355).

Subtracting 231010212100223 from its reverse (322001212010132), we obtain a palindrome (90990999909909).

The spelling of 231010212100223 in words is "two hundred thirty-one trillion, ten billion, two hundred twelve million, one hundred thousand, two hundred twenty-three".