4523444443253 has 4 divisors (see below), whose sum is σ = 4523448708108. Its totient is φ = 4523440178400.

The previous prime is 4523444443247. The next prime is 4523444443277. The reversal of 4523444443253 is 3523444443254.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1428103871089 + 3095340572164 = 1195033^2 + 1759358^2 .

It is a cyclic number.

It is not a de Polignac number, because 4523444443253 - 2⁸ = 4523444442997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4523444443198 and 4523444443207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4523444473253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834803 + ... + 3121503.

It is an arithmetic number, because the mean of its divisors is an integer number (1130862177027).

Almost surely, 2^{4523444443253} is an apocalyptic number.

It is an amenable number.

4523444443253 is a deficient number, since it is larger than the sum of its proper divisors (4264855).

4523444443253 is a wasteful number, since it uses less digits than its factorization.

4523444443253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264854.

The product of its digits is 11059200, while the sum is 47.

Subtracting from 4523444443253 its reverse (3523444443254), we obtain a palindrome (999999999999).

The spelling of 4523444443253 in words is "four trillion, five hundred twenty-three billion, four hundred forty-four million, four hundred forty-three thousand, two hundred fifty-three".