2003210020123 has 8 divisors (see below), whose sum is σ = 2157458416848. Its totient is φ = 1848983811744.

The previous prime is 2003210020051. The next prime is 2003210020157. The reversal of 2003210020123 is 3210200123002.

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 2003210020123 - 2⁹ = 2003210019611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003210020097 and 2003210020106.

It is not an unprimeable number, because it can be changed into a prime (2003210020183) 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, 5359336 + ... + 5720917.

It is an arithmetic number, because the mean of its divisors is an integer number (269682302106).

Almost surely, 2^{2003210020123} is an apocalyptic number.

2003210020123 is a deficient number, since it is larger than the sum of its proper divisors (154248396725).

2003210020123 is a wasteful number, since it uses less digits than its factorization.

2003210020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094173.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2003210020123 its reverse (3210200123002), we get a palindrome (5213410143125).

The spelling of 2003210020123 in words is "two trillion, three billion, two hundred ten million, twenty thousand, one hundred twenty-three".