23305134321616 has 20 divisors (see below), whose sum is σ = 51604225998112. Its totient is φ = 9987914709216.

The previous prime is 23305134321607. The next prime is 23305134321619. The reversal of 23305134321616 is 61612343150332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305134321619) 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 3 ways as a sum of consecutive naturals, for example, 104040778110 + ... + 104040778333.

Almost surely, 2^{23305134321616} is an apocalyptic number.

It is an amenable number.

23305134321616 is an abundant number, since it is smaller than the sum of its proper divisors (28299091676496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23305134321616 is a wasteful number, since it uses less digits than its factorization.

23305134321616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208081556458 (or 208081556452 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

Adding to 23305134321616 its reverse (61612343150332), we get a palindrome (84917477471948).

The spelling of 23305134321616 in words is "twenty-three trillion, three hundred five billion, one hundred thirty-four million, three hundred twenty-one thousand, six hundred sixteen".