22423032312 has 32 divisors (see below), whose sum is σ = 56062730880. Its totient is φ = 7473657440.

The previous prime is 22423032311. The next prime is 22423032361. The reversal of 22423032312 is 21323032422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423032311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270463 + ... + 343505.

It is an arithmetic number, because the mean of its divisors is an integer number (1751960340).

Almost surely, 2^22423032312 is an apocalyptic number.

It is an amenable number.

22423032312 is an abundant number, since it is smaller than the sum of its proper divisors (33639698568).

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

22423032312 is a wasteful number, since it uses less digits than its factorization.

22423032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85843 (or 85839 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22423032312 its reverse (21323032422), we get a palindrome (43746064734).

The spelling of 22423032312 in words is "twenty-two billion, four hundred twenty-three million, thirty-two thousand, three hundred twelve".