23420223012 has 24 divisors (see below), whose sum is σ = 54655697376. Its totient is φ = 7805525248.

The previous prime is 23420223011. The next prime is 23420223017. The reversal of 23420223012 is 21032202432.

It is a self number, because there is not a number n which added to its sum of digits gives 23420223012.

It is not an unprimeable number, because it can be changed into a prime (23420223011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69933 + ... + 227444.

It is an arithmetic number, because the mean of its divisors is an integer number (2277320724).

Almost surely, 2^23420223012 is an apocalyptic number.

It is an amenable number.

23420223012 is an abundant number, since it is smaller than the sum of its proper divisors (31235474364).

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

23420223012 is a wasteful number, since it uses less digits than its factorization.

23420223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303947 (or 303945 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23420223012 its reverse (21032202432), we get a palindrome (44452425444).

The spelling of 23420223012 in words is "twenty-three billion, four hundred twenty million, two hundred twenty-three thousand, twelve".