23061311563 has 8 divisors (see below), whose sum is σ = 24422253840. Its totient is φ = 21700857600.

The previous prime is 23061311543. The next prime is 23061311591. The reversal of 23061311563 is 36511316032.

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

It is a cyclic number.

It is not a de Polignac number, because 23061311563 - 2²¹ = 23059214411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23061311513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22513 + ... + 215938.

It is an arithmetic number, because the mean of its divisors is an integer number (3052781730).

Almost surely, 2^23061311563 is an apocalyptic number.

23061311563 is a deficient number, since it is larger than the sum of its proper divisors (1360942277).

23061311563 is a wasteful number, since it uses less digits than its factorization.

23061311563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244157.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 23061311563 its reverse (36511316032), we get a palindrome (59572627595).

The spelling of 23061311563 in words is "twenty-three billion, sixty-one million, three hundred eleven thousand, five hundred sixty-three".