223321002000 has 80 divisors (see below), whose sum is σ = 719986929792. Its totient is φ = 59552265600.

The previous prime is 223321001951. The next prime is 223321002001. The reversal of 223321002000 is 200123322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×223321002000³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (223321002001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18604084 + ... + 18616083.

Almost surely, 2^223321002000 is an apocalyptic number.

223321002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223321002000 is an abundant number, since it is smaller than the sum of its proper divisors (496665927792).

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

223321002000 is a wasteful number, since it uses less digits than its factorization.

223321002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37220193 (or 37220177 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 223321002000 its reverse (200123322), we get a palindrome (223521125322).

The spelling of 223321002000 in words is "two hundred twenty-three billion, three hundred twenty-one million, two thousand".