13223023012 has 12 divisors (see below), whose sum is σ = 24146390016. Its totient is φ = 6324054440.

The previous prime is 13223022949. The next prime is 13223023043. The reversal of 13223023012 is 21032032231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71864164 + ... + 71864347.

It is an arithmetic number, because the mean of its divisors is an integer number (2012199168).

Almost surely, 2^13223023012 is an apocalyptic number.

It is an amenable number.

13223023012 is a deficient number, since it is larger than the sum of its proper divisors (10923367004).

13223023012 is a wasteful number, since it uses less digits than its factorization.

13223023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143728538 (or 143728536 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13223023012 its reverse (21032032231), we get a palindrome (34255055243).

The spelling of 13223023012 in words is "thirteen billion, two hundred twenty-three million, twenty-three thousand, twelve".