123321323321 has 16 divisors (see below), whose sum is σ = 143959320576. Its totient is φ = 103439179536.

The previous prime is 123321323317. The next prime is 123321323329. The reversal of 123321323321 is 123323123321.

It is not a de Polignac number, because 123321323321 - 2² = 123321323317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123321323329) 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 15 ways as a sum of consecutive naturals, for example, 2458130 + ... + 2507796.

It is an arithmetic number, because the mean of its divisors is an integer number (8997457536).

Almost surely, 2^123321323321 is an apocalyptic number.

It is an amenable number.

123321323321 is a deficient number, since it is larger than the sum of its proper divisors (20637997255).

123321323321 is an equidigital number, since it uses as much as digits as its factorization.

123321323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57268.

The product of its digits is 3888, while the sum is 26.

Adding to 123321323321 its reverse (123323123321), we get a palindrome (246644446642).

The spelling of 123321323321 in words is "one hundred twenty-three billion, three hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty-one".