238191103 has 2 divisors, whose sum is σ = 238191104. Its totient is φ = 238191102.

The previous prime is 238191101. The next prime is 238191119. The reversal of 238191103 is 301191832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238191103 - 2¹ = 238191101 is a prime.

Together with 238191101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238191101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119095551 + 119095552.

It is an arithmetic number, because the mean of its divisors is an integer number (119095552).

Almost surely, 2^238191103 is an apocalyptic number.

238191103 is a deficient number, since it is larger than the sum of its proper divisors (1).

238191103 is an equidigital number, since it uses as much as digits as its factorization.

238191103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 238191103 is about 15433.4410615391. The cubic root of 238191103 is about 619.8812667188.

The spelling of 238191103 in words is "two hundred thirty-eight million, one hundred ninety-one thousand, one hundred three".