223020243312 has 40 divisors (see below), whose sum is σ = 576196461840. Its totient is φ = 74332231680.

The previous prime is 223020243311. The next prime is 223020243319. The reversal of 223020243312 is 213342020322.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223020243311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223264 + ... + 704192.

It is an arithmetic number, because the mean of its divisors is an integer number (14404911546).

Almost surely, 2^223020243312 is an apocalyptic number.

It is an amenable number.

223020243312 is an abundant number, since it is smaller than the sum of its proper divisors (353176218528).

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

223020243312 is a wasteful number, since it uses less digits than its factorization.

223020243312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490601 (or 490595 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 223020243312 its reverse (213342020322), we get a palindrome (436362263634).

The spelling of 223020243312 in words is "two hundred twenty-three billion, twenty million, two hundred forty-three thousand, three hundred twelve".