2003230312123 has 4 divisors (see below), whose sum is σ = 2003254781968. Its totient is φ = 2003205842280.

The previous prime is 2003230312067. The next prime is 2003230312129. The reversal of 2003230312123 is 3212130323002.

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 2003230312123 - 2²⁵ = 2003196757691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003230312094 and 2003230312103.

It is not an unprimeable number, because it can be changed into a prime (2003230312129) 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 3 ways as a sum of consecutive naturals, for example, 12111711 + ... + 12275992.

It is an arithmetic number, because the mean of its divisors is an integer number (500813695492).

Almost surely, 2^{2003230312123} is an apocalyptic number.

2003230312123 is a deficient number, since it is larger than the sum of its proper divisors (24469845).

2003230312123 is an equidigital number, since it uses as much as digits as its factorization.

2003230312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24469844.

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

Adding to 2003230312123 its reverse (3212130323002), we get a palindrome (5215360635125).

The spelling of 2003230312123 in words is "two trillion, three billion, two hundred thirty million, three hundred twelve thousand, one hundred twenty-three".