20310000223 has 2 divisors, whose sum is σ = 20310000224. Its totient is φ = 20310000222.

The previous prime is 20310000209. The next prime is 20310000229. The reversal of 20310000223 is 32200001302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20310000223 - 2³³ = 11720065631 is a prime.

It is a super-3 number, since 3×20310000223³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310000229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155000111 + 10155000112.

It is an arithmetic number, because the mean of its divisors is an integer number (10155000112).

Almost surely, 2^20310000223 is an apocalyptic number.

20310000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310000223 is an equidigital number, since it uses as much as digits as its factorization.

20310000223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20310000223 its reverse (32200001302), we get a palindrome (52510001525).

The spelling of 20310000223 in words is "twenty billion, three hundred ten million, two hundred twenty-three", and thus it is an aban number.