20102313223 has 2 divisors, whose sum is σ = 20102313224. Its totient is φ = 20102313222.

The previous prime is 20102313073. The next prime is 20102313269. The reversal of 20102313223 is 32231320102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102313223 - 2¹³ = 20102305031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20102313223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102314223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051156611 + 10051156612.

It is an arithmetic number, because the mean of its divisors is an integer number (10051156612).

Almost surely, 2^20102313223 is an apocalyptic number.

20102313223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102313223 is an equidigital number, since it uses as much as digits as its factorization.

20102313223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20102313223 its reverse (32231320102), we get a palindrome (52333633325).

The spelling of 20102313223 in words is "twenty billion, one hundred two million, three hundred thirteen thousand, two hundred twenty-three".