23123230212 has 24 divisors (see below), whose sum is σ = 55694662912. Its totient is φ = 7459106400.

The previous prime is 23123230199. The next prime is 23123230217. The reversal of 23123230212 is 21203232132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23123230217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31079239 + ... + 31079982.

Almost surely, 2^23123230212 is an apocalyptic number.

It is an amenable number.

23123230212 is an abundant number, since it is smaller than the sum of its proper divisors (32571432700).

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

23123230212 is a wasteful number, since it uses less digits than its factorization.

23123230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62159259 (or 62159257 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23123230212 its reverse (21203232132), we get a palindrome (44326462344).

The spelling of 23123230212 in words is "twenty-three billion, one hundred twenty-three million, two hundred thirty thousand, two hundred twelve".