238493011 has 2 divisors, whose sum is σ = 238493012. Its totient is φ = 238493010.

The previous prime is 238492937. The next prime is 238493039. The reversal of 238493011 is 110394832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238493011 - 2¹³ = 238484819 is a prime.

It is a super-2 number, since 2×238493011² = 113757832591692242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238493711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119246505 + 119246506.

It is an arithmetic number, because the mean of its divisors is an integer number (119246506).

Almost surely, 2^238493011 is an apocalyptic number.

238493011 is a deficient number, since it is larger than the sum of its proper divisors (1).

238493011 is an equidigital number, since it uses as much as digits as its factorization.

238493011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 238493011 is about 15443.2189325930. The cubic root of 238493011 is about 620.1430566526.

The spelling of 238493011 in words is "two hundred thirty-eight million, four hundred ninety-three thousand, eleven".