22323534012 has 192 divisors, whose sum is σ = 63537868800. Its totient is φ = 6736504320.

The previous prime is 22323534011. The next prime is 22323534029. The reversal of 22323534012 is 21043532322.

22323534012 is a `hidden beast` number, since 2 + 23 + 235 + 3 + 401 + 2 = 666.

It is a super-3 number, since 3×22323534012³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323534011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23824008 + ... + 23824944.

It is an arithmetic number, because the mean of its divisors is an integer number (330926400).

Almost surely, 2^22323534012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22323534012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31768934400).

22323534012 is an abundant number, since it is smaller than the sum of its proper divisors (41214334788).

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

22323534012 is a wasteful number, since it uses less digits than its factorization.

22323534012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 22323534012 in words is "twenty-two billion, three hundred twenty-three million, five hundred thirty-four thousand, twelve".