20223211223 has 16 divisors (see below), whose sum is σ = 20576635200. Its totient is φ = 19873598976.

The previous prime is 20223211213. The next prime is 20223211259. The reversal of 20223211223 is 32211232202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20223211223 - 2⁶ = 20223211159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223211195 and 20223211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223211213) 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, 7126961 + ... + 7129797.

It is an arithmetic number, because the mean of its divisors is an integer number (1286039700).

Almost surely, 2^20223211223 is an apocalyptic number.

20223211223 is a deficient number, since it is larger than the sum of its proper divisors (353423977).

20223211223 is a wasteful number, since it uses less digits than its factorization.

20223211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20223211223 its reverse (32211232202), we get a palindrome (52434443425).

The spelling of 20223211223 in words is "twenty billion, two hundred twenty-three million, two hundred eleven thousand, two hundred twenty-three".