2203453 has 4 divisors (see below), whose sum is σ = 2518240. Its totient is φ = 1888668.

The previous prime is 2203447. The next prime is 2203457. The reversal of 2203453 is 3543022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2203453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2203453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157383 + ... + 157396.

It is an arithmetic number, because the mean of its divisors is an integer number (629560).

2^2203453 is an apocalyptic number.

It is an amenable number.

2203453 is a deficient number, since it is larger than the sum of its proper divisors (314787).

2203453 is an equidigital number, since it uses as much as digits as its factorization.

2203453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314786.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2203453 is about 1484.4032470997. The cubic root of 2203453 is about 130.1271536962.

Adding to 2203453 its reverse (3543022), we get a palindrome (5746475).

The spelling of 2203453 in words is "two million, two hundred three thousand, four hundred fifty-three".