238945111 has 2 divisors, whose sum is σ = 238945112. Its totient is φ = 238945110.

The previous prime is 238945087. The next prime is 238945141. The reversal of 238945111 is 111549832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238945111 - 2⁷ = 238944983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238945141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119472555 + 119472556.

It is an arithmetic number, because the mean of its divisors is an integer number (119472556).

Almost surely, 2^238945111 is an apocalyptic number.

238945111 is a deficient number, since it is larger than the sum of its proper divisors (1).

238945111 is an equidigital number, since it uses as much as digits as its factorization.

238945111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 238945111 is about 15457.8494946742. The cubic root of 238945111 is about 620.5346679927.

The spelling of 238945111 in words is "two hundred thirty-eight million, nine hundred forty-five thousand, one hundred eleven".