23641350016 has 32 divisors (see below), whose sum is σ = 49868477280. Its totient is φ = 11125340160.

The previous prime is 23641349989. The next prime is 23641350017. The reversal of 23641350016 is 61005314632.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 23641350016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23641350017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5430120 + ... + 5434471.

It is an arithmetic number, because the mean of its divisors is an integer number (1558389915).

Almost surely, 2^23641350016 is an apocalyptic number.

It is an amenable number.

23641350016 is an abundant number, since it is smaller than the sum of its proper divisors (26227127264).

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

23641350016 is a wasteful number, since it uses less digits than its factorization.

23641350016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10864622 (or 10864610 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 23641350016 its reverse (61005314632), we get a palindrome (84646664648).

The spelling of 23641350016 in words is "twenty-three billion, six hundred forty-one million, three hundred fifty thousand, sixteen".