123312441344 has 24 divisors (see below), whose sum is σ = 246564675630. Its totient is φ = 61656219648.

The previous prime is 123312441331. The next prime is 123312441349. The reversal of 123312441344 is 443144213321.

It can be written as a sum of positive squares in only one way, i.e., 67101721600 + 56210719744 = 259040^2 + 237088^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 123312441344.

It is not an unprimeable number, because it can be changed into a prime (123312441349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30103529 + ... + 30107624.

Almost surely, 2^123312441344 is an apocalyptic number.

It is an amenable number.

123312441344 is a deficient number, since it is larger than the sum of its proper divisors (123252234286).

123312441344 is an frugal number, since it uses more digits than its factorization.

123312441344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60211175 (or 60211155 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 123312441344 its reverse (443144213321), we get a palindrome (566456654665).

The spelling of 123312441344 in words is "one hundred twenty-three billion, three hundred twelve million, four hundred forty-one thousand, three hundred forty-four".