1230344312 has 16 divisors (see below), whose sum is σ = 2307735360. Its totient is φ = 614948224.

The previous prime is 1230344257. The next prime is 1230344317. The reversal of 1230344312 is 2134430321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230344317) 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 3 ways as a sum of consecutive naturals, for example, 3368 + ... + 49719.

It is an arithmetic number, because the mean of its divisors is an integer number (144233460).

Almost surely, 2^1230344312 is an apocalyptic number.

It is an amenable number.

1230344312 is a deficient number, since it is larger than the sum of its proper divisors (1077391048).

1230344312 is a wasteful number, since it uses less digits than its factorization.

1230344312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55990 (or 55986 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1230344312 is about 35076.2642252564. The cubic root of 1230344312 is about 1071.5412359967.

Adding to 1230344312 its reverse (2134430321), we get a palindrome (3364774633).

The spelling of 1230344312 in words is "one billion, two hundred thirty million, three hundred forty-four thousand, three hundred twelve".