523125663 has 16 divisors (see below), whose sum is σ = 704449536. Its totient is φ = 345293280.

The previous prime is 523125653. The next prime is 523125667. The reversal of 523125663 is 366521325.

It is not a de Polignac number, because 523125663 - 2⁶ = 523125599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523125667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133845 + ... + 137697.

It is an arithmetic number, because the mean of its divisors is an integer number (44028096).

Almost surely, 2^523125663 is an apocalyptic number.

523125663 is a deficient number, since it is larger than the sum of its proper divisors (181323873).

523125663 is a wasteful number, since it uses less digits than its factorization.

523125663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294.

The product of its digits is 32400, while the sum is 33.

The square root of 523125663 is about 22871.9405167117. The cubic root of 523125663 is about 805.7531436409.

Adding to 523125663 its reverse (366521325), we get a palindrome (889646988).

It can be divided in two parts, 52312 and 5663, that added together give a palindrome (57975).

The spelling of 523125663 in words is "five hundred twenty-three million, one hundred twenty-five thousand, six hundred sixty-three".