238833404233 has 4 divisors (see below), whose sum is σ = 238839549588. Its totient is φ = 238827258880.

The previous prime is 238833404231. The next prime is 238833404393. The reversal of 238833404233 is 332404338832.

238833404233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160426684089 + 78406720144 = 400533^2 + 280012^2 .

It is a cyclic number.

It is not a de Polignac number, because 238833404233 - 2¹ = 238833404231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238833404233.

It is not an unprimeable number, because it can be changed into a prime (238833404231) 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, 3014008 + ... + 3092233.

It is an arithmetic number, because the mean of its divisors is an integer number (59709887397).

Almost surely, 2^238833404233 is an apocalyptic number.

It is an amenable number.

238833404233 is a deficient number, since it is larger than the sum of its proper divisors (6145355).

238833404233 is an equidigital number, since it uses as much as digits as its factorization.

238833404233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145354.

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 238833404233 in words is "two hundred thirty-eight billion, eight hundred thirty-three million, four hundred four thousand, two hundred thirty-three".