223121402880 has 352 divisors, whose sum is σ = 750682128384. Its totient is φ = 56452644864.

The previous prime is 223121402849. The next prime is 223121402897. The reversal of 223121402880 is 88204121322.

It is a super-3 number, since 3×223121402880³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44864074 + ... + 44869046.

Almost surely, 2^223121402880 is an apocalyptic number.

223121402880 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 223121402880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375341064192).

223121402880 is an abundant number, since it is smaller than the sum of its proper divisors (527560725504).

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

223121402880 is a wasteful number, since it uses less digits than its factorization.

223121402880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151 (or 5133 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 223121402880 in words is "two hundred twenty-three billion, one hundred twenty-one million, four hundred two thousand, eight hundred eighty".