1320223 has 8 divisors (see below), whose sum is σ = 1401696. Its totient is φ = 1240800.

The previous prime is 1320211. The next prime is 1320247. The reversal of 1320223 is 3220231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320223 - 2⁵ = 1320191 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (175212).

2^1320223 is an apocalyptic number.

1320223 is a deficient number, since it is larger than the sum of its proper divisors (81473).

1320223 is an equidigital number, since it uses as much as digits as its factorization.

1320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1320223 is about 1149.0095735023. The cubic root of 1320223 is about 109.7023080335.

Adding to 1320223 its reverse (3220231), we get a palindrome (4540454).

It can be divided in two parts, 13202 and 23, that added together give a square (13225 = 115²).

The spelling of 1320223 in words is "one million, three hundred twenty thousand, two hundred twenty-three".