1144403523 has 12 divisors (see below), whose sum is σ = 1655492280. Its totient is φ = 761798016.

The previous prime is 1144403503. The next prime is 1144403527. The reversal of 1144403523 is 3253044411.

It is a happy number.

It is not a de Polignac number, because 1144403523 - 2¹⁰ = 1144402499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144403527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88413 + ... + 100526.

It is an arithmetic number, because the mean of its divisors is an integer number (137957690).

Almost surely, 2^1144403523 is an apocalyptic number.

1144403523 is a deficient number, since it is larger than the sum of its proper divisors (511088757).

1144403523 is a wasteful number, since it uses less digits than its factorization.

1144403523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189618 (or 189615 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1144403523 is about 33829.0337284410. The cubic root of 1144403523 is about 1045.9872610981.

Adding to 1144403523 its reverse (3253044411), we get a palindrome (4397447934).

The spelling of 1144403523 in words is "one billion, one hundred forty-four million, four hundred three thousand, five hundred twenty-three".