320123013210 has 768 divisors, whose sum is σ = 1157750350848. Its totient is φ = 59222016000.

The previous prime is 320123013151. The next prime is 320123013271. The reversal of 320123013210 is 12310321023.

320123013210 is a `hidden beast` number, since 32 + 0 + 12 + 301 + 321 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 456665860 + ... + 456666560.

It is an arithmetic number, because the mean of its divisors is an integer number (1507487436).

Almost surely, 2^320123013210 is an apocalyptic number.

320123013210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320123013210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578875175424).

320123013210 is an abundant number, since it is smaller than the sum of its proper divisors (837627337638).

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

320123013210 is a wasteful number, since it uses less digits than its factorization.

320123013210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320123013210 its reverse (12310321023), we get a palindrome (332433334233).

The spelling of 320123013210 in words is "three hundred twenty billion, one hundred twenty-three million, thirteen thousand, two hundred ten".