2203723 has 2 divisors, whose sum is σ = 2203724. Its totient is φ = 2203722.

The previous prime is 2203711. The next prime is 2203741. The reversal of 2203723 is 3273022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2203723 - 2⁹ = 2203211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2203723.

It is not a weakly prime, because it can be changed into another prime (2203763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101861 + 1101862.

It is an arithmetic number, because the mean of its divisors is an integer number (1101862).

2^2203723 is an apocalyptic number.

2203723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203723 is an equidigital number, since it uses as much as digits as its factorization.

2203723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 2203723 is about 1484.4941899516. The cubic root of 2203723 is about 130.1324685205.

Adding to 2203723 its reverse (3273022), we get a palindrome (5476745).

It can be divided in two parts, 2203 and 723, that added together give a triangular number (2926 = T₇₆).

The spelling of 2203723 in words is "two million, two hundred three thousand, seven hundred twenty-three".