238370233 has 2 divisors, whose sum is σ = 238370234. Its totient is φ = 238370232.

The previous prime is 238370221. The next prime is 238370239. The reversal of 238370233 is 332073832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124478649 + 113891584 = 11157^2 + 10672^2 .

It is a cyclic number.

It is not a de Polignac number, because 238370233 - 2⁹ = 238369721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238370195 and 238370204.

It is not a weakly prime, because it can be changed into another prime (238370239) 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 as a sum of consecutive naturals, namely, 119185116 + 119185117.

It is an arithmetic number, because the mean of its divisors is an integer number (119185117).

Almost surely, 2^238370233 is an apocalyptic number.

It is an amenable number.

238370233 is a deficient number, since it is larger than the sum of its proper divisors (1).

238370233 is an equidigital number, since it uses as much as digits as its factorization.

238370233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 238370233 is about 15439.2432780885. The cubic root of 238370233 is about 620.0366202789.

The spelling of 238370233 in words is "two hundred thirty-eight million, three hundred seventy thousand, two hundred thirty-three".