2000123230320 has 160 divisors (see below), whose sum is σ = 6895636151040. Its totient is φ = 532876688640.

The previous prime is 2000123230307. The next prime is 2000123230331. The reversal of 2000123230320 is 230323210002.

It is a happy number.

2000123230320 is a `hidden beast` number, since 20 + 0 + 0 + 1 + 2 + 323 + 0 + 320 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2000123230293 and 2000123230302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1932187 + ... + 2780933.

It is an arithmetic number, because the mean of its divisors is an integer number (43097725944).

Almost surely, 2^{2000123230320} is an apocalyptic number.

2000123230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000123230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447818075520).

2000123230320 is an abundant number, since it is smaller than the sum of its proper divisors (4895512920720).

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

2000123230320 is a wasteful number, since it uses less digits than its factorization.

2000123230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849860 (or 849848 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 2000123230320 its reverse (230323210002), we get a palindrome (2230446440322).

The spelling of 2000123230320 in words is "two trillion, one hundred twenty-three million, two hundred thirty thousand, three hundred twenty".