238117661443343 has 24 divisors (see below), whose sum is σ = 261971954866944. Its totient is φ = 216272689057040.

The previous prime is 238117661443313. The next prime is 238117661443351. The reversal of 238117661443343 is 343344166711832.

It is not a de Polignac number, because 238117661443343 - 2⁸ = 238117661443087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238117661443313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3561243530 + ... + 3561310392.

It is an arithmetic number, because the mean of its divisors is an integer number (10915498119456).

Almost surely, 2^{238117661443343} is an apocalyptic number.

238117661443343 is a deficient number, since it is larger than the sum of its proper divisors (23854293423601).

238117661443343 is a wasteful number, since it uses less digits than its factorization.

238117661443343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93355 (or 93344 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 56.

The spelling of 238117661443343 in words is "two hundred thirty-eight trillion, one hundred seventeen billion, six hundred sixty-one million, four hundred forty-three thousand, three hundred forty-three".