238317243 has 8 divisors (see below), whose sum is σ = 328006656. Its totient is φ = 153753000.

The previous prime is 238317217. The next prime is 238317269. The reversal of 238317243 is 342713832.

It is an interprime number because it is at equal distance from previous prime (238317217) and next prime (238317269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238317243 - 2¹² = 238313147 is a prime.

It is a super-2 number, since 2×238317243² = 113590216622242098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (238317643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281183 + ... + 1281368.

It is an arithmetic number, because the mean of its divisors is an integer number (41000832).

Almost surely, 2^238317243 is an apocalyptic number.

238317243 is a deficient number, since it is larger than the sum of its proper divisors (89689413).

238317243 is a wasteful number, since it uses less digits than its factorization.

238317243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562585.

The product of its digits is 24192, while the sum is 33.

The square root of 238317243 is about 15437.5271011908. The cubic root of 238317243 is about 619.9906719027.

The spelling of 238317243 in words is "two hundred thirty-eight million, three hundred seventeen thousand, two hundred forty-three".