238507233 has 8 divisors (see below), whose sum is σ = 318432768. Its totient is φ = 158793264.

The previous prime is 238507231. The next prime is 238507237. The reversal of 238507233 is 332705832.

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

It is not a de Polignac number, because 238507233 - 2¹ = 238507231 is a prime.

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 a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 238507194 and 238507203.

It is not an unprimeable number, because it can be changed into a prime (238507231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50241 + ... + 54782.

It is an arithmetic number, because the mean of its divisors is an integer number (39804096).

Almost surely, 2^238507233 is an apocalyptic number.

It is an amenable number.

238507233 is a deficient number, since it is larger than the sum of its proper divisors (79925535).

238507233 is a wasteful number, since it uses less digits than its factorization.

238507233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105783.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 238507233 is about 15443.6793867265. The cubic root of 238507233 is about 620.1553833580.

The spelling of 238507233 in words is "two hundred thirty-eight million, five hundred seven thousand, two hundred thirty-three".