23563421306 has 16 divisors (see below), whose sum is σ = 36206932608. Its totient is φ = 11495047200.

The previous prime is 23563421291. The next prime is 23563421309. The reversal of 23563421306 is 60312436532.

It is not an unprimeable number, because it can be changed into a prime (23563421309) 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, 72035 + ... + 228726.

It is an arithmetic number, because the mean of its divisors is an integer number (2262933288).

Almost surely, 2^23563421306 is an apocalyptic number.

23563421306 is a deficient number, since it is larger than the sum of its proper divisors (12643511302).

23563421306 is a wasteful number, since it uses less digits than its factorization.

23563421306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301717.

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

Adding to 23563421306 its reverse (60312436532), we get a palindrome (83875857838).

The spelling of 23563421306 in words is "twenty-three billion, five hundred sixty-three million, four hundred twenty-one thousand, three hundred six".