12383595444 has 72 divisors (see below), whose sum is σ = 31900230880. Its totient is φ = 3736117440.

The previous prime is 12383595437. The next prime is 12383595449. The reversal of 12383595444 is 44459538321.

It is a super-2 number, since 2×12383595444² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12383595393 and 12383595402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12383595449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313887 + ... + 351129.

Almost surely, 2^12383595444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12383595444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15950115440).

12383595444 is an abundant number, since it is smaller than the sum of its proper divisors (19516635436).

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

12383595444 is a wasteful number, since it uses less digits than its factorization.

12383595444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37501 (or 37488 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 12383595444 in words is "twelve billion, three hundred eighty-three million, five hundred ninety-five thousand, four hundred forty-four".