23205555500208 has 40 divisors (see below), whose sum is σ = 59951849572656. Its totient is φ = 7734647808000.

The previous prime is 23205555500081. The next prime is 23205555500293. The reversal of 23205555500208 is 80200555550232.

It is a super-2 number, since 2×23205555500208² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23205555500208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16094013 + ... + 17476508.

Almost surely, 2^{23205555500208} is an apocalyptic number.

It is an amenable number.

23205555500208 is an abundant number, since it is smaller than the sum of its proper divisors (36746294072448).

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

23205555500208 is a wasteful number, since it uses less digits than its factorization.

23205555500208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33584933 (or 33584927 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 23205555500208 in words is "twenty-three trillion, two hundred five billion, five hundred fifty-five million, five hundred thousand, two hundred eight".