2273723 has 4 divisors (see below), whose sum is σ = 2276928. Its totient is φ = 2270520.

The previous prime is 2273701. The next prime is 2273729. The reversal of 2273723 is 3273722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2273723 - 2⁶ = 2273659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2273692 and 2273701.

It is not an unprimeable number, because it can be changed into a prime (2273729) 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, 11 + ... + 2132.

It is an arithmetic number, because the mean of its divisors is an integer number (569232).

2^2273723 is an apocalyptic number.

2273723 is a deficient number, since it is larger than the sum of its proper divisors (3205).

2273723 is a wasteful number, since it uses less digits than its factorization.

2273723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its digits is 3528, while the sum is 26.

The square root of 2273723 is about 1507.8869321007. The cubic root of 2273723 is about 131.4959927842.

Subtracting 2273723 from its reverse (3273722), we obtain a palindrome (999999).

The spelling of 2273723 in words is "two million, two hundred seventy-three thousand, seven hundred twenty-three".