23320211212 has 12 divisors (see below), whose sum is σ = 40864716256. Its totient is φ = 11644578000.

The previous prime is 23320211191. The next prime is 23320211219. The reversal of 23320211212 is 21211202332.

It is a self number, because there is not a number n which added to its sum of digits gives 23320211212.

It is not an unprimeable number, because it can be changed into a prime (23320211219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878523 + ... + 3884530.

Almost surely, 2^23320211212 is an apocalyptic number.

It is an amenable number.

23320211212 is a deficient number, since it is larger than the sum of its proper divisors (17544505044).

23320211212 is a wasteful number, since it uses less digits than its factorization.

23320211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763808 (or 7763806 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23320211212 its reverse (21211202332), we get a palindrome (44531413544).

The spelling of 23320211212 in words is "twenty-three billion, three hundred twenty million, two hundred eleven thousand, two hundred twelve".