243213586368378 has 64 divisors (see below), whose sum is σ = 503468059594752. Its totient is φ = 78283067572800.

The previous prime is 243213586368271. The next prime is 243213586368397. The reversal of 243213586368378 is 873863685312342.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7026526 + ... + 23147337.

It is an arithmetic number, because the mean of its divisors is an integer number (7866688431168).

Almost surely, 2^{243213586368378} is an apocalyptic number.

243213586368378 is an abundant number, since it is smaller than the sum of its proper divisors (260254473226374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243213586368378 is a wasteful number, since it uses less digits than its factorization.

243213586368378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30174299.

The product of its digits is 836075520, while the sum is 69.

The spelling of 243213586368378 in words is "two hundred forty-three trillion, two hundred thirteen billion, five hundred eighty-six million, three hundred sixty-eight thousand, three hundred seventy-eight".