223568319438 has 48 divisors (see below), whose sum is σ = 523804656960. Its totient is φ = 68646755328.

The previous prime is 223568319427. The next prime is 223568319511. The reversal of 223568319438 is 834913865322.

223568319438 is a `hidden beast` number, since 2 + 2 + 3 + 568 + 31 + 9 + 43 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7758123 + ... + 7786886.

It is an arithmetic number, because the mean of its divisors is an integer number (10912597020).

Almost surely, 2^223568319438 is an apocalyptic number.

223568319438 is an abundant number, since it is smaller than the sum of its proper divisors (300236337522).

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

223568319438 is a wasteful number, since it uses less digits than its factorization.

223568319438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15545081 (or 15545078 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 223568319438 in words is "two hundred twenty-three billion, five hundred sixty-eight million, three hundred nineteen thousand, four hundred thirty-eight".