123444443312 has 10 divisors (see below), whose sum is σ = 239173608948. Its totient is φ = 61722221648.

The previous prime is 123444443303. The next prime is 123444443351. The reversal of 123444443312 is 213344444321.

It is a super-3 number, since 3×123444443312³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3857638838 + ... + 3857638869.

Almost surely, 2^123444443312 is an apocalyptic number.

It is an amenable number.

123444443312 is a deficient number, since it is larger than the sum of its proper divisors (115729165636).

123444443312 is an equidigital number, since it uses as much as digits as its factorization.

123444443312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715277715 (or 7715277709 counting only the distinct ones).

The product of its digits is 110592, while the sum is 35.

Adding to 123444443312 its reverse (213344444321), we get a palindrome (336788887633).

The spelling of 123444443312 in words is "one hundred twenty-three billion, four hundred forty-four million, four hundred forty-three thousand, three hundred twelve".