223784339438 has 16 divisors (see below), whose sum is σ = 366494489136. Its totient is φ = 101636283840.

The previous prime is 223784339437. The next prime is 223784339473. The reversal of 223784339438 is 834933487322.

223784339438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223784339437) 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 7 ways as a sum of consecutive naturals, for example, 4166231 + ... + 4219602.

It is an arithmetic number, because the mean of its divisors is an integer number (22905905571).

Almost surely, 2^223784339438 is an apocalyptic number.

223784339438 is a deficient number, since it is larger than the sum of its proper divisors (142710149698).

223784339438 is a wasteful number, since it uses less digits than its factorization.

223784339438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8387059.

The product of its digits is 20901888, while the sum is 56.

The spelling of 223784339438 in words is "two hundred twenty-three billion, seven hundred eighty-four million, three hundred thirty-nine thousand, four hundred thirty-eight".