523264663 has 4 divisors (see below), whose sum is σ = 523814688. Its totient is φ = 522714640.

The previous prime is 523264633. The next prime is 523264667. The reversal of 523264663 is 366462325.

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 523264663 - 2⁵ = 523264631 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 (523264667) 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, 273583 + ... + 275488.

It is an arithmetic number, because the mean of its divisors is an integer number (130953672).

Almost surely, 2^523264663 is an apocalyptic number.

523264663 is a deficient number, since it is larger than the sum of its proper divisors (550025).

523264663 is an equidigital number, since it uses as much as digits as its factorization.

523264663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550024.

The product of its digits is 155520, while the sum is 37.

The square root of 523264663 is about 22874.9789726679. The cubic root of 523264663 is about 805.8245030206.

The spelling of 523264663 in words is "five hundred twenty-three million, two hundred sixty-four thousand, six hundred sixty-three".