1443220135324 has 24 divisors (see below), whose sum is σ = 2758468568688. Its totient is φ = 655240074240.

The previous prime is 1443220135321. The next prime is 1443220135381. The reversal of 1443220135324 is 4235310223441.

It is a self number, because there is not a number n which added to its sum of digits gives 1443220135324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443220135321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19188997 + ... + 19264060.

It is an arithmetic number, because the mean of its divisors is an integer number (114936190362).

Almost surely, 2^{1443220135324} is an apocalyptic number.

It is an amenable number.

1443220135324 is a deficient number, since it is larger than the sum of its proper divisors (1315248433364).

1443220135324 is a wasteful number, since it uses less digits than its factorization.

1443220135324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38453925 (or 38453923 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 1443220135324 its reverse (4235310223441), we get a palindrome (5678530358765).

The spelling of 1443220135324 in words is "one trillion, four hundred forty-three billion, two hundred twenty million, one hundred thirty-five thousand, three hundred twenty-four".