238523318611 has 2 divisors, whose sum is σ = 238523318612. Its totient is φ = 238523318610.

The previous prime is 238523318513. The next prime is 238523318617. The reversal of 238523318611 is 116813325832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238523318611 is a prime.

It is not a weakly prime, because it can be changed into another prime (238523318617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119261659305 + 119261659306.

It is an arithmetic number, because the mean of its divisors is an integer number (119261659306).

Almost surely, 2^238523318611 is an apocalyptic number.

238523318611 is a deficient number, since it is larger than the sum of its proper divisors (1).

238523318611 is an equidigital number, since it uses as much as digits as its factorization.

238523318611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The spelling of 238523318611 in words is "two hundred thirty-eight billion, five hundred twenty-three million, three hundred eighteen thousand, six hundred eleven".