123344444120 has 64 divisors (see below), whose sum is σ = 283650323040. Its totient is φ = 48260608000.

The previous prime is 123344444117. The next prime is 123344444143. The reversal of 123344444120 is 21444443321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151400 + ... + 519240.

Almost surely, 2^123344444120 is an apocalyptic number.

123344444120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123344444120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141825161520).

123344444120 is an abundant number, since it is smaller than the sum of its proper divisors (160305878920).

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

123344444120 is a wasteful number, since it uses less digits than its factorization.

123344444120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368036 (or 368032 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 123344444120 its reverse (21444443321), we get a palindrome (144788887441).

The spelling of 123344444120 in words is "one hundred twenty-three billion, three hundred forty-four million, four hundred forty-four thousand, one hundred twenty".