238137283 has 2 divisors, whose sum is σ = 238137284. Its totient is φ = 238137282.

The previous prime is 238137281. The next prime is 238137323. The reversal of 238137283 is 382731832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238137283 - 2¹ = 238137281 is a prime.

Together with 238137281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (238137281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119068641 + 119068642.

It is an arithmetic number, because the mean of its divisors is an integer number (119068642).

Almost surely, 2^238137283 is an apocalyptic number.

238137283 is a deficient number, since it is larger than the sum of its proper divisors (1).

238137283 is an equidigital number, since it uses as much as digits as its factorization.

238137283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 238137283 is about 15431.6973466952. The cubic root of 238137283 is about 619.8345751864.

The spelling of 238137283 in words is "two hundred thirty-eight million, one hundred thirty-seven thousand, two hundred eighty-three".