320030123 has 24 divisors (see below), whose sum is σ = 386793792. Its totient is φ = 263816784.

The previous prime is 320030111. The next prime is 320030149. The reversal of 320030123 is 321030023.

It is not a de Polignac number, because 320030123 - 2¹⁴ = 320013739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320030098 and 320030107.

It is not an unprimeable number, because it can be changed into a prime (320030323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140036 + ... + 142302.

It is an arithmetic number, because the mean of its divisors is an integer number (16116408).

Almost surely, 2^320030123 is an apocalyptic number.

320030123 is a deficient number, since it is larger than the sum of its proper divisors (66763669).

320030123 is a wasteful number, since it uses less digits than its factorization.

320030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 320030123 is about 17889.3857636309. The cubic root of 320030123 is about 684.0118403329.

Adding to 320030123 its reverse (321030023), we get a palindrome (641060146).

The spelling of 320030123 in words is "three hundred twenty million, thirty thousand, one hundred twenty-three".