238045287328321 has 12 divisors (see below), whose sum is σ = 265338339138432. Its totient is φ = 213356851631000.

The previous prime is 238045287328229. The next prime is 238045287328357. The reversal of 238045287328321 is 123823782540832.

It is a happy number.

It is not a de Polignac number, because 238045287328321 - 2³⁷ = 237907848374849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238045287728321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13854332425 + ... + 13854349606.

It is an arithmetic number, because the mean of its divisors is an integer number (22111528261536).

Almost surely, 2^{238045287328321} is an apocalyptic number.

It is an amenable number.

238045287328321 is a deficient number, since it is larger than the sum of its proper divisors (27293051810111).

238045287328321 is a wasteful number, since it uses less digits than its factorization.

238045287328321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27708682124 (or 27708682113 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 238045287328321 in words is "two hundred thirty-eight trillion, forty-five billion, two hundred eighty-seven million, three hundred twenty-eight thousand, three hundred twenty-one".