238820064321 has 8 divisors (see below), whose sum is σ = 327032881024. Its totient is φ = 154910311920.

The previous prime is 238820064239. The next prime is 238820064397. The reversal of 238820064321 is 123460028832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238820064321 - 2¹⁵ = 238820031553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238820064321.

It is not an unprimeable number, because it can be changed into a prime (238820064521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075765945 + ... + 1075766166.

It is an arithmetic number, because the mean of its divisors is an integer number (40879110128).

Almost surely, 2^238820064321 is an apocalyptic number.

It is an amenable number.

238820064321 is a deficient number, since it is larger than the sum of its proper divisors (88212816703).

238820064321 is a wasteful number, since it uses less digits than its factorization.

238820064321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151532151.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 238820064321 in words is "two hundred thirty-eight billion, eight hundred twenty million, sixty-four thousand, three hundred twenty-one".