123221313103 has 16 divisors (see below), whose sum is σ = 143330964480. Its totient is φ = 103751889696.

The previous prime is 123221313041. The next prime is 123221313109. The reversal of 123221313103 is 301313122321.

It is not a de Polignac number, because 123221313103 - 2¹³ = 123221304911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123221313109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456601 + ... + 674482.

It is an arithmetic number, because the mean of its divisors is an integer number (8958185280).

Almost surely, 2^123221313103 is an apocalyptic number.

123221313103 is a deficient number, since it is larger than the sum of its proper divisors (20109651377).

123221313103 is a wasteful number, since it uses less digits than its factorization.

123221313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131366.

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

Adding to 123221313103 its reverse (301313122321), we get a palindrome (424534435424).

The spelling of 123221313103 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred thirteen thousand, one hundred three".