320203232303023 has 16 divisors (see below), whose sum is σ = 346660181953344. Its totient is φ = 294652279272960.

The previous prime is 320203232303011. The next prime is 320203232303029. The reversal of 320203232303023 is 320303232302023.

It is a cyclic number.

It is not a de Polignac number, because 320203232303023 - 2³³ = 320194642368431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320203232302982 and 320203232303000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320203232303029) 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, 924313140 + ... + 924659497.

It is an arithmetic number, because the mean of its divisors is an integer number (21666261372084).

Almost surely, 2^{320203232303023} is an apocalyptic number.

320203232303023 is a deficient number, since it is larger than the sum of its proper divisors (26456949650321).

320203232303023 is a wasteful number, since it uses less digits than its factorization.

320203232303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848972882.

The product of its (nonzero) digits is 23328, while the sum is 28.

Adding to 320203232303023 its reverse (320303232302023), we get a palindrome (640506464605046).

The spelling of 320203232303023 in words is "three hundred twenty trillion, two hundred three billion, two hundred thirty-two million, three hundred three thousand, twenty-three".