123031203203 has 16 divisors (see below), whose sum is σ = 125598110976. Its totient is φ = 120494550240.

The previous prime is 123031203179. The next prime is 123031203223. The reversal of 123031203203 is 302302130321.

It is a cyclic number.

It is not a de Polignac number, because 123031203203 - 2⁸ = 123031202947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031203223) 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, 6746768 + ... + 6764978.

It is an arithmetic number, because the mean of its divisors is an integer number (7849881936).

Almost surely, 2^123031203203 is an apocalyptic number.

123031203203 is a deficient number, since it is larger than the sum of its proper divisors (2566907773).

123031203203 is a wasteful number, since it uses less digits than its factorization.

123031203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19034.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123031203203 its reverse (302302130321), we get a palindrome (425333333524).

The spelling of 123031203203 in words is "one hundred twenty-three billion, thirty-one million, two hundred three thousand, two hundred three".