223403320512 has 224 divisors, whose sum is σ = 660902351040. Its totient is φ = 74000424960.

The previous prime is 223403320433. The next prime is 223403320513. The reversal of 223403320512 is 215023304322.

223403320512 is a `hidden beast` number, since 223 + 403 + 3 + 20 + 5 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (223403320513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337977462 + ... + 337978122.

Almost surely, 2^223403320512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223403320512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330451175520).

223403320512 is an abundant number, since it is smaller than the sum of its proper divisors (437499030528).

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

223403320512 is a wasteful number, since it uses less digits than its factorization.

223403320512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 223403320512 its reverse (215023304322), we get a palindrome (438426624834).

The spelling of 223403320512 in words is "two hundred twenty-three billion, four hundred three million, three hundred twenty thousand, five hundred twelve".