211310123310223 has 12 divisors (see below), whose sum is σ = 246766193407872. Its totient is φ = 180418204216320.

The previous prime is 211310123310217. The next prime is 211310123310241. The reversal of 211310123310223 is 322013321013112.

It is not a de Polignac number, because 211310123310223 - 2⁵ = 211310123310191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211310123310283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8389970863 + ... + 8389996048.

It is an arithmetic number, because the mean of its divisors is an integer number (20563849450656).

Almost surely, 2^{211310123310223} is an apocalyptic number.

211310123310223 is a deficient number, since it is larger than the sum of its proper divisors (35456070097649).

211310123310223 is a wasteful number, since it uses less digits than its factorization.

211310123310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16779967182 (or 16779967175 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 211310123310223 its reverse (322013321013112), we get a palindrome (533323444323335).

The spelling of 211310123310223 in words is "two hundred eleven trillion, three hundred ten billion, one hundred twenty-three million, three hundred ten thousand, two hundred twenty-three".