23123331002320 has 20 divisors (see below), whose sum is σ = 53761744580580. Its totient is φ = 9249332400896.

The previous prime is 23123331002309. The next prime is 23123331002323. The reversal of 23123331002320 is 2320013332132.

It can be written as a sum of positive squares in 2 ways, for example, as 17786159108496 + 5337171893824 = 4217364^2 + 2310232^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×23123331002320³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123331002323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144520818685 + ... + 144520818844.

It is an arithmetic number, because the mean of its divisors is an integer number (2688087229029).

Almost surely, 2^{23123331002320} is an apocalyptic number.

23123331002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23123331002320 is an abundant number, since it is smaller than the sum of its proper divisors (30638413578260).

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

23123331002320 is a wasteful number, since it uses less digits than its factorization.

23123331002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289041637542 (or 289041637536 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 23123331002320 its reverse (2320013332132), we get a palindrome (25443344334452).

The spelling of 23123331002320 in words is "twenty-three trillion, one hundred twenty-three billion, three hundred thirty-one million, two thousand, three hundred twenty".