238327823 has 2 divisors, whose sum is σ = 238327824. Its totient is φ = 238327822.

The previous prime is 238327757. The next prime is 238327847. The reversal of 238327823 is 328723832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238327823 - 2¹² = 238323727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238327883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119163911 + 119163912.

It is an arithmetic number, because the mean of its divisors is an integer number (119163912).

Almost surely, 2^238327823 is an apocalyptic number.

238327823 is a deficient number, since it is larger than the sum of its proper divisors (1).

238327823 is an equidigital number, since it uses as much as digits as its factorization.

238327823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 238327823 is about 15437.8697688509. The cubic root of 238327823 is about 619.9998465140. Note that the first 3 decimals are identical.

The spelling of 238327823 in words is "two hundred thirty-eight million, three hundred twenty-seven thousand, eight hundred twenty-three".