22121323023000 has 128 divisors (see below), whose sum is σ = 69020713681920. Its totient is φ = 5898832649600.

The previous prime is 22121323022999. The next prime is 22121323023001. The reversal of 22121323023000 is 32032312122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22121323022999) and next prime (22121323023001).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121323023001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112831057 + ... + 113026943.

It is an arithmetic number, because the mean of its divisors is an integer number (539224325640).

Almost surely, 2^{22121323023000} is an apocalyptic number.

22121323023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121323023000 is an abundant number, since it is smaller than the sum of its proper divisors (46899390658920).

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

22121323023000 is a wasteful number, since it uses less digits than its factorization.

22121323023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233554 (or 233540 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22121323023000 its reverse (32032312122), we get a palindrome (22153355335122).

The spelling of 22121323023000 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred twenty-three million, twenty-three thousand".