20323775053 has 2 divisors, whose sum is σ = 20323775054. Its totient is φ = 20323775052.

The previous prime is 20323774967. The next prime is 20323775081. The reversal of 20323775053 is 35057732302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15755772484 + 4568002569 = 125522^2 + 67587^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323775053 - 2¹⁷ = 20323643981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323775083) 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, 10161887526 + 10161887527.

It is an arithmetic number, because the mean of its divisors is an integer number (10161887527).

Almost surely, 2^20323775053 is an apocalyptic number.

It is an amenable number.

20323775053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323775053 is an equidigital number, since it uses as much as digits as its factorization.

20323775053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 37.

The spelling of 20323775053 in words is "twenty billion, three hundred twenty-three million, seven hundred seventy-five thousand, fifty-three".