2103453003 has 4 divisors (see below), whose sum is σ = 2804604008. Its totient is φ = 1402302000.

The previous prime is 2103452999. The next prime is 2103453031. The reversal of 2103453003 is 3003543012.

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

It is not a de Polignac number, because 2103453003 - 2² = 2103452999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103453203) 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, 350575498 + ... + 350575503.

It is an arithmetic number, because the mean of its divisors is an integer number (701151002).

Almost surely, 2^2103453003 is an apocalyptic number.

2103453003 is a deficient number, since it is larger than the sum of its proper divisors (701151005).

2103453003 is an equidigital number, since it uses as much as digits as its factorization.

2103453003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701151004.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2103453003 is about 45863.4168264860. The cubic root of 2103453003 is about 1281.2806605933.

Adding to 2103453003 its reverse (3003543012), we get a palindrome (5106996015).

Subtracting 2103453003 from its reverse (3003543012), we obtain a palindrome (900090009).

The spelling of 2103453003 in words is "two billion, one hundred three million, four hundred fifty-three thousand, three".