238343843 has 2 divisors, whose sum is σ = 238343844. Its totient is φ = 238343842.

The previous prime is 238343839. The next prime is 238343851. The reversal of 238343843 is 348343832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238343843 - 2² = 238343839 is a prime.

It is a super-4 number, since 4×238343843⁴ (a number of 35 digits) contains 4444 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 238343797 and 238343806.

It is not a weakly prime, because it can be changed into another prime (238343803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119171921 + 119171922.

It is an arithmetic number, because the mean of its divisors is an integer number (119171922).

Almost surely, 2^238343843 is an apocalyptic number.

238343843 is a deficient number, since it is larger than the sum of its proper divisors (1).

238343843 is an equidigital number, since it uses as much as digits as its factorization.

238343843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 38.

The square root of 238343843 is about 15438.3886141009. The cubic root of 238343843 is about 620.0137379890.

The spelling of 238343843 in words is "two hundred thirty-eight million, three hundred forty-three thousand, eight hundred forty-three".