238427113 has 2 divisors, whose sum is σ = 238427114. Its totient is φ = 238427112.

The previous prime is 238427093. The next prime is 238427141. The reversal of 238427113 is 311724832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225090009 + 13337104 = 15003^2 + 3652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238427113 is a prime.

It is not a weakly prime, because it can be changed into another prime (238427153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119213556 + 119213557.

It is an arithmetic number, because the mean of its divisors is an integer number (119213557).

Almost surely, 2^238427113 is an apocalyptic number.

It is an amenable number.

238427113 is a deficient number, since it is larger than the sum of its proper divisors (1).

238427113 is an equidigital number, since it uses as much as digits as its factorization.

238427113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 238427113 is about 15441.0852274055. The cubic root of 238427113 is about 620.0859341518.

The spelling of 238427113 in words is "two hundred thirty-eight million, four hundred twenty-seven thousand, one hundred thirteen".