233243120005555 has 24 divisors (see below), whose sum is σ = 307714745285136. Its totient is φ = 169595441906880.

The previous prime is 233243120005543. The next prime is 233243120005591. The reversal of 233243120005555 is 555500021342332.

It is not a de Polignac number, because 233243120005555 - 2¹¹ = 233243120003507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37956244 + ... + 43671073.

It is an arithmetic number, because the mean of its divisors is an integer number (12821447720214).

Almost surely, 2^{233243120005555} is an apocalyptic number.

233243120005555 is a deficient number, since it is larger than the sum of its proper divisors (74471625279581).

233243120005555 is a wasteful number, since it uses less digits than its factorization.

233243120005555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81632067 (or 81632056 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 233243120005555 its reverse (555500021342332), we get a palindrome (788743141347887).

The spelling of 233243120005555 in words is "two hundred thirty-three trillion, two hundred forty-three billion, one hundred twenty million, five thousand, five hundred fifty-five".