123321123122223 has 32 divisors (see below), whose sum is σ = 177333383437056. Its totient is φ = 75779888721408.

The previous prime is 123321123122213. The next prime is 123321123122237. The reversal of 123321123122223 is 322221321123321.

It is a happy number.

It is not a de Polignac number, because 123321123122223 - 2²⁵ = 123321089567791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321123122213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88738240 + ... + 90117242.

It is an arithmetic number, because the mean of its divisors is an integer number (5541668232408).

Almost surely, 2^{123321123122223} is an apocalyptic number.

123321123122223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123321123122223 is a deficient number, since it is larger than the sum of its proper divisors (54012260314833).

123321123122223 is a wasteful number, since it uses less digits than its factorization.

123321123122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382343.

The product of its digits is 10368, while the sum is 30.

Adding to 123321123122223 its reverse (322221321123321), we get a palindrome (445542444245544).

The spelling of 123321123122223 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-three".