123221232003 has 16 divisors (see below), whose sum is σ = 164929476096. Its totient is φ = 81830342880.

The previous prime is 123221231957. The next prime is 123221232011. The reversal of 123221232003 is 300232122321.

It is a happy number.

It is not a de Polignac number, because 123221232003 - 2³⁶ = 54501755267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123221232803) 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 15 ways as a sum of consecutive naturals, for example, 7200325 + ... + 7217417.

It is an arithmetic number, because the mean of its divisors is an integer number (10308092256).

Almost surely, 2^123221232003 is an apocalyptic number.

123221232003 is a deficient number, since it is larger than the sum of its proper divisors (41708244093).

123221232003 is a wasteful number, since it uses less digits than its factorization.

123221232003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26234.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123221232003 its reverse (300232122321), we get a palindrome (423453354324).

The spelling of 123221232003 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred thirty-two thousand, three".