223311230002340 has 96 divisors (see below), whose sum is σ = 513698981292000. Its totient is φ = 81165158645760.

The previous prime is 223311230002297. The next prime is 223311230002363. The reversal of 223311230002340 is 43200032113322.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 30569487145024 + 192741742857316 = 5528968^2 + 13883146^2 .

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, 134066936 + ... + 135722384.

It is an arithmetic number, because the mean of its divisors is an integer number (5351031055125).

Almost surely, 2^{223311230002340} is an apocalyptic number.

223311230002340 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 223311230002340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256849490646000).

223311230002340 is an abundant number, since it is smaller than the sum of its proper divisors (290387751289660).

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

223311230002340 is a wasteful number, since it uses less digits than its factorization.

223311230002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669185 (or 1669183 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 223311230002340 its reverse (43200032113322), we get a palindrome (266511262115662).

The spelling of 223311230002340 in words is "two hundred twenty-three trillion, three hundred eleven billion, two hundred thirty million, two thousand, three hundred forty".