238432027 has 2 divisors, whose sum is σ = 238432028. Its totient is φ = 238432026.

The previous prime is 238431989. The next prime is 238432031. The reversal of 238432027 is 720234832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238432027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238432027.

It is not a weakly prime, because it can be changed into another prime (238432037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119216013 + 119216014.

It is an arithmetic number, because the mean of its divisors is an integer number (119216014).

Almost surely, 2^238432027 is an apocalyptic number.

238432027 is a deficient number, since it is larger than the sum of its proper divisors (1).

238432027 is an equidigital number, since it uses as much as digits as its factorization.

238432027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 238432027 is about 15441.2443475259. The cubic root of 238432027 is about 620.0901941278.

Adding to 238432027 its reverse (720234832), we get a palindrome (958666859).

The spelling of 238432027 in words is "two hundred thirty-eight million, four hundred thirty-two thousand, twenty-seven".