20122313223 has 32 divisors (see below), whose sum is σ = 28620000000. Its totient is φ = 12539273472.

The previous prime is 20122313219. The next prime is 20122313227. The reversal of 20122313223 is 32231322102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20122313219) and next prime (20122313227).

It is not a de Polignac number, because 20122313223 - 2² = 20122313219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20122313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122313227) 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, 2527453 + ... + 2535401.

It is an arithmetic number, because the mean of its divisors is an integer number (894375000).

Almost surely, 2^20122313223 is an apocalyptic number.

20122313223 is a deficient number, since it is larger than the sum of its proper divisors (8497686777).

20122313223 is a wasteful number, since it uses less digits than its factorization.

20122313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559.

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

Adding to 20122313223 its reverse (32231322102), we get a palindrome (52353635325).

The spelling of 20122313223 in words is "twenty billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-three".