2730323 has 4 divisors (see below), whose sum is σ = 2733720. Its totient is φ = 2726928.

The previous prime is 2730271. The next prime is 2730347. The reversal of 2730323 is 3230372.

2730323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2730323 - 2¹⁴ = 2713939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2730295 and 2730304.

It is not an unprimeable number, because it can be changed into a prime (2730383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (683430).

2^2730323 is an apocalyptic number.

2730323 is a deficient number, since it is larger than the sum of its proper divisors (3397).

2730323 is a wasteful number, since it uses less digits than its factorization.

2730323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 2730323 is about 1652.3689055414. The cubic root of 2730323 is about 139.7670104304.

Adding to 2730323 its reverse (3230372), we get a palindrome (5960695).

The spelling of 2730323 in words is "two million, seven hundred thirty thousand, three hundred twenty-three".