4523643425563 has 4 divisors (see below), whose sum is σ = 4523664937408. Its totient is φ = 4523621913720.

The previous prime is 4523643425507. The next prime is 4523643425611. The reversal of 4523643425563 is 3655243463254.

It is a happy number.

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 4523643425563 - 2¹⁷ = 4523643294491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4523643425563.

It is not an unprimeable number, because it can be changed into a prime (4523643425503) 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, 10437348 + ... + 10862113.

It is an arithmetic number, because the mean of its divisors is an integer number (1130916234352).

Almost surely, 2^{4523643425563} is an apocalyptic number.

4523643425563 is a deficient number, since it is larger than the sum of its proper divisors (21511845).

4523643425563 is a wasteful number, since it uses less digits than its factorization.

4523643425563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21511844.

The product of its digits is 31104000, while the sum is 52.

The spelling of 4523643425563 in words is "four trillion, five hundred twenty-three billion, six hundred forty-three million, four hundred twenty-five thousand, five hundred sixty-three".