12320000344 has 32 divisors (see below), whose sum is σ = 23585058000. Its totient is φ = 6031867392.

The previous prime is 12320000323. The next prime is 12320000353. The reversal of 12320000344 is 44300002321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5292 + ... + 157060.

Almost surely, 2^12320000344 is an apocalyptic number.

It is an amenable number.

12320000344 is a deficient number, since it is larger than the sum of its proper divisors (11265057656).

12320000344 is a wasteful number, since it uses less digits than its factorization.

12320000344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151987 (or 151983 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12320000344 its reverse (44300002321), we get a palindrome (56620002665).

The spelling of 12320000344 in words is "twelve billion, three hundred twenty million, three hundred forty-four", and thus it is an aban number.