223128016880 has 40 divisors (see below), whose sum is σ = 525022927632. Its totient is φ = 88175888384.

The previous prime is 223128016861. The next prime is 223128016933. The reversal of 223128016880 is 88610821322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×223128016880³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16795169 + ... + 16808448.

Almost surely, 2^223128016880 is an apocalyptic number.

223128016880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223128016880 is an abundant number, since it is smaller than the sum of its proper divisors (301894910752).

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

223128016880 is a wasteful number, since it uses less digits than its factorization.

223128016880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33603713 (or 33603707 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 223128016880 in words is "two hundred twenty-three billion, one hundred twenty-eight million, sixteen thousand, eight hundred eighty".