20323313183 has 2 divisors, whose sum is σ = 20323313184. Its totient is φ = 20323313182.

The previous prime is 20323313149. The next prime is 20323313203. The reversal of 20323313183 is 38131332302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20323313183 - 2¹⁸ = 20323051039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323315183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161656591 + 10161656592.

It is an arithmetic number, because the mean of its divisors is an integer number (10161656592).

Almost surely, 2^20323313183 is an apocalyptic number.

20323313183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323313183 is an equidigital number, since it uses as much as digits as its factorization.

20323313183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 20323313183 its reverse (38131332302), we get a palindrome (58454645485).

The spelling of 20323313183 in words is "twenty billion, three hundred twenty-three million, three hundred thirteen thousand, one hundred eighty-three".