4404144523 has 4 divisors (see below), whose sum is σ = 4404390760. Its totient is φ = 4403898288.

The previous prime is 4404144509. The next prime is 4404144529. The reversal of 4404144523 is 3254414044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4404144523 - 2⁹ = 4404144011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4404144529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93993 + ... + 132826.

It is an arithmetic number, because the mean of its divisors is an integer number (1101097690).

Almost surely, 2^4404144523 is an apocalyptic number.

4404144523 is a deficient number, since it is larger than the sum of its proper divisors (246237).

4404144523 is a wasteful number, since it uses less digits than its factorization.

4404144523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246236.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 4404144523 is about 66363.7289714796. The cubic root of 4404144523 is about 1639.1568791150.

Adding to 4404144523 its reverse (3254414044), we get a palindrome (7658558567).

The spelling of 4404144523 in words is "four billion, four hundred four million, one hundred forty-four thousand, five hundred twenty-three".