56205305423 has 4 divisors (see below), whose sum is σ = 56634353688. Its totient is φ = 55776257160.

The previous prime is 56205305417. The next prime is 56205305437. The reversal of 56205305423 is 32450350265.

56205305423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56205305423 - 2¹⁰ = 56205304399 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 (56205301423) 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, 214523936 + ... + 214524197.

It is an arithmetic number, because the mean of its divisors is an integer number (14158588422).

Almost surely, 2^56205305423 is an apocalyptic number.

56205305423 is a deficient number, since it is larger than the sum of its proper divisors (429048265).

56205305423 is a wasteful number, since it uses less digits than its factorization.

56205305423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429048264.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 56205305423 its reverse (32450350265), we get a palindrome (88655655688).

The spelling of 56205305423 in words is "fifty-six billion, two hundred five million, three hundred five thousand, four hundred twenty-three".