2003123233021 has 8 divisors (see below), whose sum is σ = 2130297425280. Its totient is φ = 1876987197888.

The previous prime is 2003123232991. The next prime is 2003123233031. The reversal of 2003123233021 is 1203323213002.

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 2003123233021 - 2⁷ = 2003123232893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003123232983 and 2003123233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003123233031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259535301 + ... + 259543018.

It is an arithmetic number, because the mean of its divisors is an integer number (266287178160).

Almost surely, 2^{2003123233021} is an apocalyptic number.

It is an amenable number.

2003123233021 is a deficient number, since it is larger than the sum of its proper divisors (127174192259).

2003123233021 is a wasteful number, since it uses less digits than its factorization.

2003123233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519078563.

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

Adding to 2003123233021 its reverse (1203323213002), we get a palindrome (3206446446023).

The spelling of 2003123233021 in words is "two trillion, three billion, one hundred twenty-three million, two hundred thirty-three thousand, twenty-one".