223439643680 has 192 divisors, whose sum is σ = 586791475200. Its totient is φ = 79722040320.

The previous prime is 223439643677. The next prime is 223439643743. The reversal of 223439643680 is 86346934322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22658591 + ... + 22668449.

It is an arithmetic number, because the mean of its divisors is an integer number (3056205600).

Almost surely, 2^223439643680 is an apocalyptic number.

223439643680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223439643680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293395737600).

223439643680 is an abundant number, since it is smaller than the sum of its proper divisors (363351831520).

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

223439643680 is a wasteful number, since it uses less digits than its factorization.

223439643680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127 (or 10119 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 223439643680 in words is "two hundred twenty-three billion, four hundred thirty-nine million, six hundred forty-three thousand, six hundred eighty".