123322123221 has 24 divisors (see below), whose sum is σ = 182526080352. Its totient is φ = 74000652000.

The previous prime is 123322123213. The next prime is 123322123241. The reversal of 123322123221 is 122321223321.

It is not a de Polignac number, because 123322123221 - 2³ = 123322123213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123322123191 and 123322123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123322123241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1645171 + ... + 1718496.

It is an arithmetic number, because the mean of its divisors is an integer number (7605253348).

Almost surely, 2^123322123221 is an apocalyptic number.

123322123221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123322123221 is a deficient number, since it is larger than the sum of its proper divisors (59203957131).

123322123221 is a wasteful number, since it uses less digits than its factorization.

123322123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363793 (or 3363782 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 123322123221 its reverse (122321223321), we get a palindrome (245643346542).

The spelling of 123322123221 in words is "one hundred twenty-three billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty-one".