4321320223 has 16 divisors (see below), whose sum is σ = 4766630400. Its totient is φ = 3884997600.

The previous prime is 4321320197. The next prime is 4321320277. The reversal of 4321320223 is 3220231234.

It is not a de Polignac number, because 4321320223 - 2⁹ = 4321319711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4321320194 and 4321320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321320323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359653 + ... + 371473.

It is an arithmetic number, because the mean of its divisors is an integer number (297914400).

Almost surely, 2^4321320223 is an apocalyptic number.

4321320223 is a deficient number, since it is larger than the sum of its proper divisors (445310177).

4321320223 is a wasteful number, since it uses less digits than its factorization.

4321320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12198.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 4321320223 is about 65736.7494100522. The cubic root of 4321320223 is about 1628.8164621592.

Adding to 4321320223 its reverse (3220231234), we get a palindrome (7541551457).

It can be divided in two parts, 43213 and 20223, that added together give a palindrome (63436).

The spelling of 4321320223 in words is "four billion, three hundred twenty-one million, three hundred twenty thousand, two hundred twenty-three".