22123301311320 has 256 divisors, whose sum is σ = 73212471406080. Its totient is φ = 5347755184640.

The previous prime is 22123301311271. The next prime is 22123301311337. The reversal of 22123301311320 is 2311310332122.

It is a super-2 number, since 2×22123301311320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55223254 + ... + 55622426.

It is an arithmetic number, because the mean of its divisors is an integer number (285986216430).

Almost surely, 2^{22123301311320} is an apocalyptic number.

22123301311320 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 22123301311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36606235703040).

22123301311320 is an abundant number, since it is smaller than the sum of its proper divisors (51089170094760).

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

22123301311320 is a wasteful number, since it uses less digits than its factorization.

22123301311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399567 (or 399541 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 22123301311320 its reverse (2311310332122), we get a palindrome (24434611643442).

The spelling of 22123301311320 in words is "twenty-two trillion, one hundred twenty-three billion, three hundred one million, three hundred eleven thousand, three hundred twenty".