123210311111023 has 8 divisors (see below), whose sum is σ = 123222868623360. Its totient is φ = 123197754219960.

The previous prime is 123210311110993. The next prime is 123210311111051. The reversal of 123210311111023 is 320111113012321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123210311111023 - 2⁴⁵ = 88025939022191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123210311110985 and 123210311111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123210311111053) 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 7 ways as a sum of consecutive naturals, for example, 464799786 + ... + 465064792.

It is an arithmetic number, because the mean of its divisors is an integer number (15402858577920).

Almost surely, 2^{123210311111023} is an apocalyptic number.

123210311111023 is a deficient number, since it is larger than the sum of its proper divisors (12557512337).

123210311111023 is a wasteful number, since it uses less digits than its factorization.

123210311111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310637.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 123210311111023 its reverse (320111113012321), we get a palindrome (443321424123344).

The spelling of 123210311111023 in words is "one hundred twenty-three trillion, two hundred ten billion, three hundred eleven million, one hundred eleven thousand, twenty-three".