1368223 has 4 divisors (see below), whose sum is σ = 1405240. Its totient is φ = 1331208.

The previous prime is 1368203. The next prime is 1368229. The reversal of 1368223 is 3228631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3228631 = 7 ⋅461233.

It is a cyclic number.

It is not a de Polignac number, because 1368223 - 2⁹ = 1367711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368229) 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, 18453 + ... + 18526.

It is an arithmetic number, because the mean of its divisors is an integer number (351310).

2^1368223 is an apocalyptic number.

1368223 is a deficient number, since it is larger than the sum of its proper divisors (37017).

1368223 is an equidigital number, since it uses as much as digits as its factorization.

1368223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37016.

The product of its digits is 1728, while the sum is 25.

The square root of 1368223 is about 1169.7106479809. The cubic root of 1368223 is about 111.0160137056.

The spelling of 1368223 in words is "one million, three hundred sixty-eight thousand, two hundred twenty-three".