320123013102 has 48 divisors (see below), whose sum is σ = 728613943200. Its totient is φ = 101383166016.

The previous prime is 320123013061. The next prime is 320123013121. The reversal of 320123013102 is 201310321023.

320123013102 is a `hidden beast` number, since 320 + 1 + 2 + 30 + 1 + 310 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2533093 + ... + 2656464.

It is an arithmetic number, because the mean of its divisors is an integer number (15179457150).

Almost surely, 2^320123013102 is an apocalyptic number.

320123013102 is an abundant number, since it is smaller than the sum of its proper divisors (408490930098).

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

320123013102 is a wasteful number, since it uses less digits than its factorization.

320123013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189737 (or 5189734 counting only the distinct ones).

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

Adding to 320123013102 its reverse (201310321023), we get a palindrome (521433334125).

The spelling of 320123013102 in words is "three hundred twenty billion, one hundred twenty-three million, thirteen thousand, one hundred two".