2103023321 has 16 divisors (see below), whose sum is σ = 2424574464. Its totient is φ = 1786809024.

The previous prime is 2103023297. The next prime is 2103023327. The reversal of 2103023321 is 1233203012.

It is not a de Polignac number, because 2103023321 - 2⁶ = 2103023257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103023321.

It is not an unprimeable number, because it can be changed into a prime (2103023327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506771 + ... + 510903.

It is an arithmetic number, because the mean of its divisors is an integer number (151535904).

Almost surely, 2^2103023321 is an apocalyptic number.

It is an amenable number.

2103023321 is a deficient number, since it is larger than the sum of its proper divisors (321551143).

2103023321 is a wasteful number, since it uses less digits than its factorization.

2103023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2103023321 is about 45858.7322219008. The cubic root of 2103023321 is about 1281.1934102914.

Adding to 2103023321 its reverse (1233203012), we get a palindrome (3336226333).

The spelling of 2103023321 in words is "two billion, one hundred three million, twenty-three thousand, three hundred twenty-one".