320023123012330 has 16 divisors (see below), whose sum is σ = 576430575953544. Its totient is φ = 127922814864640.

The previous prime is 320023123012319. The next prime is 320023123012361. The reversal of 320023123012330 is 33210321320023.

It can be written as a sum of positive squares in 4 ways, for example, as 160339488725529 + 159683634286801 = 12662523^2 + 12636599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320023123012295 and 320023123012304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10804276987 + ... + 10804306606.

Almost surely, 2^{320023123012330} is an apocalyptic number.

320023123012330 is a deficient number, since it is larger than the sum of its proper divisors (256407452941214).

320023123012330 is a wasteful number, since it uses less digits than its factorization.

320023123012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21608585081.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 320023123012330 its reverse (33210321320023), we get a palindrome (353233444332353).

The spelling of 320023123012330 in words is "three hundred twenty trillion, twenty-three billion, one hundred twenty-three million, twelve thousand, three hundred thirty".