238342243833 has 12 divisors (see below), whose sum is σ = 345157153380. Its totient is φ = 158486356896.

The previous prime is 238342243831. The next prime is 238342243871. The reversal of 238342243833 is 338342243832.

238342243833 is a `hidden beast` number, since 2 + 38 + 342 + 243 + 8 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74339113104 + 164003130729 = 272652^2 + 404973^2 .

It is not a de Polignac number, because 238342243833 - 2¹ = 238342243831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238342243831) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 34035666 + ... + 34042667.

It is an arithmetic number, because the mean of its divisors is an integer number (28763096115).

Almost surely, 2^238342243833 is an apocalyptic number.

It is an amenable number.

238342243833 is a deficient number, since it is larger than the sum of its proper divisors (106814909547).

238342243833 is a wasteful number, since it uses less digits than its factorization.

238342243833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68078728 (or 68078725 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 45.

Subtracting 238342243833 from its reverse (338342243832), we obtain a palindrome (99999999999).

The spelling of 238342243833 in words is "two hundred thirty-eight billion, three hundred forty-two million, two hundred forty-three thousand, eight hundred thirty-three".