23226643212 has 48 divisors (see below), whose sum is σ = 54488659680. Its totient is φ = 7700410368.

The previous prime is 23226643211. The next prime is 23226643243. The reversal of 23226643212 is 21234662232.

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

It is not an unprimeable number, because it can be changed into a prime (23226643211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2817048 + ... + 2825280.

It is an arithmetic number, because the mean of its divisors is an integer number (1135180410).

Almost surely, 2^23226643212 is an apocalyptic number.

It is an amenable number.

23226643212 is an abundant number, since it is smaller than the sum of its proper divisors (31262016468).

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

23226643212 is a wasteful number, since it uses less digits than its factorization.

23226643212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482 (or 9480 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The spelling of 23226643212 in words is "twenty-three billion, two hundred twenty-six million, six hundred forty-three thousand, two hundred twelve".