2340223 has 2 divisors, whose sum is σ = 2340224. Its totient is φ = 2340222.

The previous prime is 2340209. The next prime is 2340241. The reversal of 2340223 is 3220432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2340197 and 2340206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170111 + 1170112.

It is an arithmetic number, because the mean of its divisors is an integer number (1170112).

2^2340223 is an apocalyptic number.

2340223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340223 is an equidigital number, since it uses as much as digits as its factorization.

2340223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2340223 is about 1529.7787421716. The cubic root of 2340223 is about 132.7656566428.

Adding to 2340223 its reverse (3220432), we get a palindrome (5560655).

The spelling of 2340223 in words is "two million, three hundred forty thousand, two hundred twenty-three".