320130123 has 16 divisors (see below), whose sum is σ = 453807360. Its totient is φ = 200286944.

The previous prime is 320130121. The next prime is 320130131. The reversal of 320130123 is 321031023.

It is not a de Polignac number, because 320130123 - 2¹ = 320130121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320130121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40113 + ... + 47426.

It is an arithmetic number, because the mean of its divisors is an integer number (28362960).

Almost surely, 2^320130123 is an apocalyptic number.

320130123 is a deficient number, since it is larger than the sum of its proper divisors (133677237).

320130123 is a wasteful number, since it uses less digits than its factorization.

320130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87618.

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

The square root of 320130123 is about 17892.1804987542. The cubic root of 320130123 is about 684.0830774404.

Adding to 320130123 its reverse (321031023), we get a palindrome (641161146).

The spelling of 320130123 in words is "three hundred twenty million, one hundred thirty thousand, one hundred twenty-three".