238812383 has 2 divisors, whose sum is σ = 238812384. Its totient is φ = 238812382.

The previous prime is 238812341. The next prime is 238812397. The reversal of 238812383 is 383218832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238812383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238812683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119406191 + 119406192.

It is an arithmetic number, because the mean of its divisors is an integer number (119406192).

Almost surely, 2^238812383 is an apocalyptic number.

238812383 is a deficient number, since it is larger than the sum of its proper divisors (1).

238812383 is an equidigital number, since it uses as much as digits as its factorization.

238812383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 238812383 is about 15453.5556749895. Note that the first 3 decimals coincide. The cubic root of 238812383 is about 620.4197495779.

The spelling of 238812383 in words is "two hundred thirty-eight million, eight hundred twelve thousand, three hundred eighty-three".