223020321312 has 96 divisors (see below), whose sum is σ = 631270825920. Its totient is φ = 68709703680.

The previous prime is 223020321299. The next prime is 223020321319. The reversal of 223020321312 is 213123020322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (223020321319) 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, 1416313 + ... + 1565880.

It is an arithmetic number, because the mean of its divisors is an integer number (6575737770).

Almost surely, 2^223020321312 is an apocalyptic number.

It is an amenable number.

223020321312 is an abundant number, since it is smaller than the sum of its proper divisors (408250504608).

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

223020321312 is a wasteful number, since it uses less digits than its factorization.

223020321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982266 (or 2982258 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223020321312 its reverse (213123020322), we get a palindrome (436143341634).

The spelling of 223020321312 in words is "two hundred twenty-three billion, twenty million, three hundred twenty-one thousand, three hundred twelve".