238218321803 has 32 divisors (see below), whose sum is σ = 314517012480. Its totient is φ = 174679464960.

The previous prime is 238218321799. The next prime is 238218321821. The reversal of 238218321803 is 308123812832.

It is not a de Polignac number, because 238218321803 - 2² = 238218321799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238218321883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15573383 + ... + 15588671.

It is an arithmetic number, because the mean of its divisors is an integer number (9828656640).

Almost surely, 2^238218321803 is an apocalyptic number.

238218321803 is a deficient number, since it is larger than the sum of its proper divisors (76298690677).

238218321803 is a wasteful number, since it uses less digits than its factorization.

238218321803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27227.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 238218321803 in words is "two hundred thirty-eight billion, two hundred eighteen million, three hundred twenty-one thousand, eight hundred three".