231323300012 has 12 divisors (see below), whose sum is σ = 462646600080. Its totient is φ = 99138557136.

The previous prime is 231323300011. The next prime is 231323300029. The reversal of 231323300012 is 210003323132.

231323300012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (231323300011) 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, 4130773187 + ... + 4130773242.

It is an arithmetic number, because the mean of its divisors is an integer number (38553883340).

Almost surely, 2^231323300012 is an apocalyptic number.

It is an amenable number.

231323300012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231323300012 is a wasteful number, since it uses less digits than its factorization.

231323300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261546440 (or 8261546438 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231323300012 its reverse (210003323132), we get a palindrome (441326623144).

The spelling of 231323300012 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred thousand, twelve".