2023111123320 has 192 divisors, whose sum is σ = 7051967170560. Its totient is φ = 454843952640.

The previous prime is 2023111123289. The next prime is 2023111123321. The reversal of 2023111123320 is 233211113202.

It is a super-2 number, since 2×2023111123320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023111123321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2802009 + ... + 3449271.

It is an arithmetic number, because the mean of its divisors is an integer number (36728995680).

Almost surely, 2^{2023111123320} is an apocalyptic number.

2023111123320 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 2023111123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3525983585280).

2023111123320 is an abundant number, since it is smaller than the sum of its proper divisors (5028856047240).

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

2023111123320 is a wasteful number, since it uses less digits than its factorization.

2023111123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647406 (or 647341 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2023111123320 its reverse (233211113202), we get a palindrome (2256322236522).

The spelling of 2023111123320 in words is "two trillion, twenty-three billion, one hundred eleven million, one hundred twenty-three thousand, three hundred twenty".