20523114361 has 2 divisors, whose sum is σ = 20523114362. Its totient is φ = 20523114360.

The previous prime is 20523114281. The next prime is 20523114373. The reversal of 20523114361 is 16341132502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17730520336 + 2792594025 = 133156^2 + 52845^2 .

It is a cyclic number.

It is not a de Polignac number, because 20523114361 - 2¹⁹ = 20522590073 is a prime.

It is not a weakly prime, because it can be changed into another prime (20523114761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261557180 + 10261557181.

It is an arithmetic number, because the mean of its divisors is an integer number (10261557181).

Almost surely, 2^20523114361 is an apocalyptic number.

It is an amenable number.

20523114361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20523114361 is an equidigital number, since it uses as much as digits as its factorization.

20523114361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 20523114361 its reverse (16341132502), we get a palindrome (36864246863).

The spelling of 20523114361 in words is "twenty billion, five hundred twenty-three million, one hundred fourteen thousand, three hundred sixty-one".