223867642642 has 16 divisors (see below), whose sum is σ = 383792132160. Its totient is φ = 95938517808.

The previous prime is 223867642601. The next prime is 223867642679. The reversal of 223867642642 is 246246768322.

It is a self number, because there is not a number n which added to its sum of digits gives 223867642642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96217 + ... + 676012.

It is an arithmetic number, because the mean of its divisors is an integer number (23987008260).

Almost surely, 2^223867642642 is an apocalyptic number.

223867642642 is a deficient number, since it is larger than the sum of its proper divisors (159924489518).

223867642642 is a wasteful number, since it uses less digits than its factorization.

223867642642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792945.

The product of its digits is 9289728, while the sum is 52.

The spelling of 223867642642 in words is "two hundred twenty-three billion, eight hundred sixty-seven million, six hundred forty-two thousand, six hundred forty-two".