12230323144 has 24 divisors (see below), whose sum is σ = 24831539010. Its totient is φ = 5644763904.

The previous prime is 12230323121. The next prime is 12230323177. The reversal of 12230323144 is 44132303221.

It can be written as a sum of positive squares in 3 ways, for example, as 6950556900 + 5279766244 = 83370^2 + 72662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4521697 + ... + 4524400.

Almost surely, 2^12230323144 is an apocalyptic number.

It is an amenable number.

12230323144 is an abundant number, since it is smaller than the sum of its proper divisors (12601215866).

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

12230323144 is a wasteful number, since it uses less digits than its factorization.

12230323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046129 (or 9046112 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12230323144 its reverse (44132303221), we get a palindrome (56362626365).

The spelling of 12230323144 in words is "twelve billion, two hundred thirty million, three hundred twenty-three thousand, one hundred forty-four".