523443404344325 has 12 divisors (see below), whose sum is σ = 649092280669188. Its totient is φ = 418740233616000.

The previous prime is 523443404344271. The next prime is 523443404344327.

It is a happy number.

523443404344325 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 113769571703524 + 409673832640801 = 10666282^2 + 20240401^2 .

It is not a de Polignac number, because 523443404344325 - 2³² = 523439109377029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523443404344327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361509512 + ... + 362954561.

It is an arithmetic number, because the mean of its divisors is an integer number (54091023389099).

Almost surely, 2^{523443404344325} is an apocalyptic number.

It is an amenable number.

523443404344325 is a deficient number, since it is larger than the sum of its proper divisors (125648876324863).

523443404344325 is a wasteful number, since it uses less digits than its factorization.

523443404344325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724492984 (or 724492979 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 50.

It can be divided in two parts, 52344340 and 4344325, that added together give a palindrome (56688665).

The spelling of 523443404344325 in words is "five hundred twenty-three trillion, four hundred forty-three billion, four hundred four million, three hundred forty-four thousand, three hundred twenty-five".