238423459 has 6 divisors (see below), whose sum is σ = 239778996. Its totient is φ = 237070260.

The previous prime is 238423403. The next prime is 238423463. The reversal of 238423459 is 954324832.

238423459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-238423459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238423489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223762 + ... + 224824.

It is an arithmetic number, because the mean of its divisors is an integer number (39963166).

Almost surely, 2^238423459 is an apocalyptic number.

238423459 is a deficient number, since it is larger than the sum of its proper divisors (1355537).

238423459 is an frugal number, since it uses more digits than its factorization.

238423459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 1274 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 238423459 is about 15440.9669062530. The cubic root of 238423459 is about 620.0827664394.

The spelling of 238423459 in words is "two hundred thirty-eight million, four hundred twenty-three thousand, four hundred fifty-nine".