123313220203 has 16 divisors (see below), whose sum is σ = 131713263360. Its totient is φ = 115191619200.

The previous prime is 123313220171. The next prime is 123313220221. The reversal of 123313220203 is 302022313321.

It is not a de Polignac number, because 123313220203 - 2⁵ = 123313220171 is a prime.

It is a super-2 number, since 2×123313220203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123313223203) 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, 4153873 + ... + 4183453.

It is an arithmetic number, because the mean of its divisors is an integer number (8232078960).

Almost surely, 2^123313220203 is an apocalyptic number.

123313220203 is a deficient number, since it is larger than the sum of its proper divisors (8400043157).

123313220203 is a wasteful number, since it uses less digits than its factorization.

123313220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34278.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123313220203 its reverse (302022313321), we get a palindrome (425335533524).

The spelling of 123313220203 in words is "one hundred twenty-three billion, three hundred thirteen million, two hundred twenty thousand, two hundred three".