320123201330 has 16 divisors (see below), whose sum is σ = 576258879744. Its totient is φ = 128041032240.

The previous prime is 320123201323. The next prime is 320123201339. The reversal of 320123201330 is 33102321023.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320123201339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866786 + ... + 1179645.

It is an arithmetic number, because the mean of its divisors is an integer number (36016179984).

Almost surely, 2^320123201330 is an apocalyptic number.

320123201330 is a deficient number, since it is larger than the sum of its proper divisors (256135678414).

320123201330 is a wasteful number, since it uses less digits than its factorization.

320123201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062081.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320123201330 its reverse (33102321023), we get a palindrome (353225522353).

The spelling of 320123201330 in words is "three hundred twenty billion, one hundred twenty-three million, two hundred one thousand, three hundred thirty".