22323120000 has 320 divisors, whose sum is σ = 75710764800. Its totient is φ = 5823232000.

The previous prime is 22323119993. The next prime is 22323120013. The reversal of 22323120000 is 2132322.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-3 number, since 3×22323120000³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11279011 + ... + 11280989.

It is an arithmetic number, because the mean of its divisors is an integer number (236596140).

Almost surely, 2^22323120000 is an apocalyptic number.

22323120000 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 22323120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37855382400).

22323120000 is an abundant number, since it is smaller than the sum of its proper divisors (53387644800).

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

22323120000 is an equidigital number, since it uses as much as digits as its factorization.

22323120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22323120000 its reverse (2132322), we get a palindrome (22325252322).

The spelling of 22323120000 in words is "twenty-two billion, three hundred twenty-three million, one hundred twenty thousand".