23312443212 has 36 divisors (see below), whose sum is σ = 59290216440. Its totient is φ = 7723138752.

The previous prime is 23312443199. The next prime is 23312443291. The reversal of 23312443212 is 21234421332.

23312443212 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 2 + 443 + 212 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1980537 + ... + 1992272.

Almost surely, 2^23312443212 is an apocalyptic number.

It is an amenable number.

23312443212 is an abundant number, since it is smaller than the sum of its proper divisors (35977773228).

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

23312443212 is a wasteful number, since it uses less digits than its factorization.

23312443212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972982 (or 3972977 counting only the distinct ones).

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

Adding to 23312443212 its reverse (21234421332), we get a palindrome (44546864544).

The spelling of 23312443212 in words is "twenty-three billion, three hundred twelve million, four hundred forty-three thousand, two hundred twelve".