320043430243323 has 6 divisors (see below), whose sum is σ = 462284954795924. Its totient is φ = 213362286828876.

The previous prime is 320043430243297. The next prime is 320043430243349. The reversal of 320043430243323 is 323342034340023.

320043430243323 is a `hidden beast` number, since 3 + 20 + 0 + 4 + 3 + 4 + 302 + 4 + 3 + 323 = 666.

It is an interprime number because it is at equal distance from previous prime (320043430243297) and next prime (320043430243349).

It is not a de Polignac number, because 320043430243323 - 2²⁰ = 320043429194747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320043430243223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17780190569065 + ... + 17780190569082.

Almost surely, 2^{320043430243323} is an apocalyptic number.

320043430243323 is a deficient number, since it is larger than the sum of its proper divisors (142241524552601).

320043430243323 is a wasteful number, since it uses less digits than its factorization.

320043430243323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560381138153 (or 35560381138150 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 36.

Adding to 320043430243323 its reverse (323342034340023), we get a palindrome (643385464583346).

The spelling of 320043430243323 in words is "three hundred twenty trillion, forty-three billion, four hundred thirty million, two hundred forty-three thousand, three hundred twenty-three".