23622340212 has 36 divisors (see below), whose sum is σ = 59723277796. Its totient is φ = 7872629760.

The previous prime is 23622340211. The next prime is 23622340223. The reversal of 23622340212 is 21204322632.

It is a happy number.

23622340212 is a `hidden beast` number, since 2 + 3 + 622 + 34 + 0 + 2 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17692724196 + 5929616016 = 133014^2 + 77004^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23622340211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141012 + ... + 259092.

Almost surely, 2^23622340212 is an apocalyptic number.

It is an amenable number.

23622340212 is an abundant number, since it is smaller than the sum of its proper divisors (36100937584).

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

23622340212 is a wasteful number, since it uses less digits than its factorization.

23622340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123648 (or 123643 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23622340212 its reverse (21204322632), we get a palindrome (44826662844).

The spelling of 23622340212 in words is "twenty-three billion, six hundred twenty-two million, three hundred forty thousand, two hundred twelve".