123321103321 has 8 divisors (see below), whose sum is σ = 134025759560. Its totient is φ = 112790506752.

The previous prime is 123321103319. The next prime is 123321103337. The reversal of 123321103321 is 123301123321.

It can be written as a sum of positive squares in 4 ways, for example, as 357966400 + 122963136921 = 18920^2 + 350661^2 .

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 123321103321 - 2¹ = 123321103319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123321103292 and 123321103301.

It is not an unprimeable number, because it can be changed into a prime (123321103721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43513440 + ... + 43516273.

It is an arithmetic number, because the mean of its divisors is an integer number (16753219945).

Almost surely, 2^123321103321 is an apocalyptic number.

It is an amenable number.

123321103321 is a deficient number, since it is larger than the sum of its proper divisors (10704656239).

123321103321 is a wasteful number, since it uses less digits than its factorization.

123321103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87029835.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123321103321 its reverse (123301123321), we get a palindrome (246622226642).

The spelling of 123321103321 in words is "one hundred twenty-three billion, three hundred twenty-one million, one hundred three thousand, three hundred twenty-one".