2003123002321 has 8 divisors (see below), whose sum is σ = 2291134114880. Its totient is φ = 1715574560688.

The previous prime is 2003123002301. The next prime is 2003123002357. The reversal of 2003123002321 is 1232003213002.

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 2003123002321 - 2²⁹ = 2002586131409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003123002301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115658451 + ... + 115675768.

It is an arithmetic number, because the mean of its divisors is an integer number (286391764360).

Almost surely, 2^{2003123002321} is an apocalyptic number.

It is an amenable number.

2003123002321 is a deficient number, since it is larger than the sum of its proper divisors (288011112559).

2003123002321 is a wasteful number, since it uses less digits than its factorization.

2003123002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231335463.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2003123002321 its reverse (1232003213002), we get a palindrome (3235126215323).

The spelling of 2003123002321 in words is "two trillion, three billion, one hundred twenty-three million, two thousand, three hundred twenty-one".