238321568956 has 12 divisors (see below), whose sum is σ = 418030411680. Its totient is φ = 118884308480.

The previous prime is 238321568951. The next prime is 238321568963. The reversal of 238321568956 is 659865123832.

It is a self number, because there is not a number n which added to its sum of digits gives 238321568956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238321568951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69117061 + ... + 69120508.

It is an arithmetic number, because the mean of its divisors is an integer number (34835867640).

Almost surely, 2^238321568956 is an apocalyptic number.

It is an amenable number.

238321568956 is a deficient number, since it is larger than the sum of its proper divisors (179708842724).

238321568956 is a wasteful number, since it uses less digits than its factorization.

238321568956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138238004 (or 138238002 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 238321568956 in words is "two hundred thirty-eight billion, three hundred twenty-one million, five hundred sixty-eight thousand, nine hundred fifty-six".