123221101323 has 8 divisors (see below), whose sum is σ = 164301673536. Its totient is φ = 82143965000.

The previous prime is 123221101307. The next prime is 123221101361. The reversal of 123221101323 is 323101122321.

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 123221101323 - 2⁴ = 123221101307 is a prime.

It is a super-2 number, since 2×123221101323² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123221101323.

It is not an unprimeable number, because it can be changed into a prime (123221101823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774093 + ... + 919598.

It is an arithmetic number, because the mean of its divisors is an integer number (20537709192).

Almost surely, 2^123221101323 is an apocalyptic number.

123221101323 is a deficient number, since it is larger than the sum of its proper divisors (41080572213).

123221101323 is a wasteful number, since it uses less digits than its factorization.

123221101323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717945.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123221101323 its reverse (323101122321), we get a palindrome (446322223644).

The spelling of 123221101323 in words is "one hundred twenty-three billion, two hundred twenty-one million, one hundred one thousand, three hundred twenty-three".