23243040212 has 48 divisors (see below), whose sum is σ = 47793892608. Its totient is φ = 9681638400.

The previous prime is 23243040199. The next prime is 23243040229. The reversal of 23243040212 is 21204034232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990212 + ... + 1013412.

It is an arithmetic number, because the mean of its divisors is an integer number (995706096).

Almost surely, 2^23243040212 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 23243040212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23896946304).

23243040212 is an abundant number, since it is smaller than the sum of its proper divisors (24550852396).

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

23243040212 is a wasteful number, since it uses less digits than its factorization.

23243040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24216 (or 24214 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23243040212 its reverse (21204034232), we get a palindrome (44447074444).

The spelling of 23243040212 in words is "twenty-three billion, two hundred forty-three million, forty thousand, two hundred twelve".