223012323020 has 12 divisors (see below), whose sum is σ = 468325878384. Its totient is φ = 89204929200.

The previous prime is 223012323019. The next prime is 223012323029. The reversal of 223012323020 is 20323210322.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11150616151 = 223012323020 / (2 + 2 + 3 + 0 + 1 + 2 + 3 + 2 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 223012322983 and 223012323001.

It is not an unprimeable number, because it can be changed into a prime (223012323029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5575308056 + ... + 5575308095.

It is an arithmetic number, because the mean of its divisors is an integer number (39027156532).

Almost surely, 2^223012323020 is an apocalyptic number.

223012323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223012323020 is an abundant number, since it is smaller than the sum of its proper divisors (245313555364).

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

223012323020 is a wasteful number, since it uses less digits than its factorization.

223012323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11150616160 (or 11150616158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 223012323020 its reverse (20323210322), we get a palindrome (243335533342).

The spelling of 223012323020 in words is "two hundred twenty-three billion, twelve million, three hundred twenty-three thousand, twenty".