238152173 has 4 divisors (see below), whose sum is σ = 272173920. Its totient is φ = 204130428.

The previous prime is 238152151. The next prime is 238152191. The reversal of 238152173 is 371251832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238152173 - 2¹² = 238148077 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 (238152073) 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 3 ways as a sum of consecutive naturals, for example, 17010863 + ... + 17010876.

It is an arithmetic number, because the mean of its divisors is an integer number (68043480).

Almost surely, 2^238152173 is an apocalyptic number.

It is an amenable number.

238152173 is a deficient number, since it is larger than the sum of its proper divisors (34021747).

238152173 is an equidigital number, since it uses as much as digits as its factorization.

238152173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34021746.

The product of its digits is 10080, while the sum is 32.

The square root of 238152173 is about 15432.1797877034. The cubic root of 238152173 is about 619.8474937074.

The spelling of 238152173 in words is "two hundred thirty-eight million, one hundred fifty-two thousand, one hundred seventy-three".