564234523 has 4 divisors (see below), whose sum is σ = 573797880. Its totient is φ = 554671168.

The previous prime is 564234509. The next prime is 564234529. The reversal of 564234523 is 325432465.

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 564234523 - 2¹³ = 564226331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564234529) 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, 4781590 + ... + 4781707.

It is an arithmetic number, because the mean of its divisors is an integer number (143449470).

Almost surely, 2^564234523 is an apocalyptic number.

564234523 is a deficient number, since it is larger than the sum of its proper divisors (9563357).

564234523 is an equidigital number, since it uses as much as digits as its factorization.

564234523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563356.

The product of its digits is 86400, while the sum is 34.

The square root of 564234523 is about 23753.6212607678. The cubic root of 564234523 is about 826.3294258473.

Adding to 564234523 its reverse (325432465), we get a palindrome (889666988).

The spelling of 564234523 in words is "five hundred sixty-four million, two hundred thirty-four thousand, five hundred twenty-three".