238442903 has 2 divisors, whose sum is σ = 238442904. Its totient is φ = 238442902.

The previous prime is 238442887. The next prime is 238442933. The reversal of 238442903 is 309244832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238442903 - 2⁴ = 238442887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238442933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119221451 + 119221452.

It is an arithmetic number, because the mean of its divisors is an integer number (119221452).

Almost surely, 2^238442903 is an apocalyptic number.

238442903 is a deficient number, since it is larger than the sum of its proper divisors (1).

238442903 is an equidigital number, since it uses as much as digits as its factorization.

238442903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 238442903 is about 15441.5965171999. The cubic root of 238442903 is about 620.0996223892.

The spelling of 238442903 in words is "two hundred thirty-eight million, four hundred forty-two thousand, nine hundred three".