320123130 has 16 divisors (see below), whose sum is σ = 768295584. Its totient is φ = 85366160.

The previous prime is 320123129. The next prime is 320123137. The reversal of 320123130 is 31321023.

320123130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (320123137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5335356 + ... + 5335415.

It is an arithmetic number, because the mean of its divisors is an integer number (48018474).

Almost surely, 2^320123130 is an apocalyptic number.

320123130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320123130 is an abundant number, since it is smaller than the sum of its proper divisors (448172454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320123130 is a wasteful number, since it uses less digits than its factorization.

320123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670781.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 320123130 is about 17891.9850771232. The cubic root of 320123130 is about 684.0780963119.

Adding to 320123130 its reverse (31321023), we get a palindrome (351444153).

The spelling of 320123130 in words is "three hundred twenty million, one hundred twenty-three thousand, one hundred thirty".