123222031321 has 8 divisors (see below), whose sum is σ = 125427496320. Its totient is φ = 121033729872.

The previous prime is 123222031313. The next prime is 123222031337. The reversal of 123222031321 is 123130222321.

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 123222031321 - 2³ = 123222031313 is a prime.

It is a super-5 number, since 5×123222031321⁵ (a number of 57 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123222031292 and 123222031301.

It is not an unprimeable number, because it can be changed into a prime (123222031381) 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, 4276401 + ... + 4305118.

It is an arithmetic number, because the mean of its divisors is an integer number (15678437040).

Almost surely, 2^123222031321 is an apocalyptic number.

It is an amenable number.

123222031321 is a deficient number, since it is larger than the sum of its proper divisors (2205464999).

123222031321 is an equidigital number, since it uses as much as digits as its factorization.

123222031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581775.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123222031321 its reverse (123130222321), we get a palindrome (246352253642).

The spelling of 123222031321 in words is "one hundred twenty-three billion, two hundred twenty-two million, thirty-one thousand, three hundred twenty-one".