23316204563 has 4 divisors (see below), whose sum is σ = 23382256488. Its totient is φ = 23250152640.

The previous prime is 23316204539. The next prime is 23316204589. The reversal of 23316204563 is 36540261332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23316204563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23316204503) 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, 33025433 + ... + 33026138.

It is an arithmetic number, because the mean of its divisors is an integer number (5845564122).

Almost surely, 2^23316204563 is an apocalyptic number.

23316204563 is a deficient number, since it is larger than the sum of its proper divisors (66051925).

23316204563 is an equidigital number, since it uses as much as digits as its factorization.

23316204563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66051924.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 23316204563 its reverse (36540261332), we get a palindrome (59856465895).

The spelling of 23316204563 in words is "twenty-three billion, three hundred sixteen million, two hundred four thousand, five hundred sixty-three".