4320645826223 has 4 divisors (see below), whose sum is σ = 4323734209200. Its totient is φ = 4317557443248.

The previous prime is 4320645826177. The next prime is 4320645826253. The reversal of 4320645826223 is 3226285460234.

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 4320645826223 - 2¹⁶ = 4320645760687 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 (4320645826253) 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, 1544189390 + ... + 1544192187.

It is an arithmetic number, because the mean of its divisors is an integer number (1080933552300).

Almost surely, 2^{4320645826223} is an apocalyptic number.

4320645826223 is a deficient number, since it is larger than the sum of its proper divisors (3088382977).

4320645826223 is a wasteful number, since it uses less digits than its factorization.

4320645826223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088382976.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 4320645826223 in words is "four trillion, three hundred twenty billion, six hundred forty-five million, eight hundred twenty-six thousand, two hundred twenty-three".