565426135023 has 8 divisors (see below), whose sum is σ = 786679840128. Its totient is φ = 360561593304.

The previous prime is 565426135013. The next prime is 565426135093. The reversal of 565426135023 is 320531624565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 565426135023 - 2¹⁶ = 565426069487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565426135013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4097290765 + ... + 4097290902.

It is an arithmetic number, because the mean of its divisors is an integer number (98334980016).

Almost surely, 2^565426135023 is an apocalyptic number.

565426135023 is a deficient number, since it is larger than the sum of its proper divisors (221253705105).

565426135023 is a wasteful number, since it uses less digits than its factorization.

565426135023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8194581693.

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 565426135023 its reverse (320531624565), we get a palindrome (885957759588).

The spelling of 565426135023 in words is "five hundred sixty-five billion, four hundred twenty-six million, one hundred thirty-five thousand, twenty-three".