1320223223 has 4 divisors (see below), whose sum is σ = 1440243528. Its totient is φ = 1200202920.

The previous prime is 1320223169. The next prime is 1320223237. The reversal of 1320223223 is 3223220231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320223223 - 2¹² = 1320219127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320223195 and 1320223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320222223) 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, 60010136 + ... + 60010157.

It is an arithmetic number, because the mean of its divisors is an integer number (360060882).

Almost surely, 2^1320223223 is an apocalyptic number.

1320223223 is a deficient number, since it is larger than the sum of its proper divisors (120020305).

1320223223 is a wasteful number, since it uses less digits than its factorization.

1320223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120020304.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1320223223 is about 36334.8761247372. The cubic root of 1320223223 is about 1097.0231421009.

Adding to 1320223223 its reverse (3223220231), we get a palindrome (4543443454).

The spelling of 1320223223 in words is "one billion, three hundred twenty million, two hundred twenty-three thousand, two hundred twenty-three".