523125223134544 has 20 divisors (see below), whose sum is σ = 1013594810285524. Its totient is φ = 261552368867328.

The previous prime is 523125223134467. The next prime is 523125223134727. The reversal of 523125223134544 is 445431322521325.

It can be written as a sum of positive squares in 2 ways, for example, as 471068824974400 + 52056398160144 = 21704120^2 + 7215012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 523125223134494 and 523125223134503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639747387 + ... + 640564570.

Almost surely, 2^{523125223134544} is an apocalyptic number.

It is an amenable number.

523125223134544 is a deficient number, since it is larger than the sum of its proper divisors (490469587150980).

523125223134544 is a wasteful number, since it uses less digits than its factorization.

523125223134544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280337502 (or 1280337496 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 46.

Adding to 523125223134544 its reverse (445431322521325), we get a palindrome (968556545655869).

The spelling of 523125223134544 in words is "five hundred twenty-three trillion, one hundred twenty-five billion, two hundred twenty-three million, one hundred thirty-four thousand, five hundred forty-four".