2003301021323 has 4 divisors (see below), whose sum is σ = 2289486881520. Its totient is φ = 1717115161128.

The previous prime is 2003301021311. The next prime is 2003301021347. The reversal of 2003301021323 is 3231201033002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2003301021323 - 2⁴ = 2003301021307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003301021295 and 2003301021304.

It is not an unprimeable number, because it can be changed into a prime (2003301021373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143092930088 + ... + 143092930101.

It is an arithmetic number, because the mean of its divisors is an integer number (572371720380).

Almost surely, 2^{2003301021323} is an apocalyptic number.

2003301021323 is a deficient number, since it is larger than the sum of its proper divisors (286185860197).

2003301021323 is an equidigital number, since it uses as much as digits as its factorization.

2003301021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286185860196.

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

Adding to 2003301021323 its reverse (3231201033002), we get a palindrome (5234502054325).

The spelling of 2003301021323 in words is "two trillion, three billion, three hundred one million, twenty-one thousand, three hundred twenty-three".