20323142141 has 2 divisors, whose sum is σ = 20323142142. Its totient is φ = 20323142140.

The previous prime is 20323142089. The next prime is 20323142143. The reversal of 20323142141 is 14124132302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17601328900 + 2721813241 = 132670^2 + 52171^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323142141 - 2²² = 20318947837 is a prime.

Together with 20323142143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323142143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161571070 + 10161571071.

It is an arithmetic number, because the mean of its divisors is an integer number (10161571071).

Almost surely, 2^20323142141 is an apocalyptic number.

It is an amenable number.

20323142141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323142141 is an equidigital number, since it uses as much as digits as its factorization.

20323142141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20323142141 its reverse (14124132302), we get a palindrome (34447274443).

The spelling of 20323142141 in words is "twenty billion, three hundred twenty-three million, one hundred forty-two thousand, one hundred forty-one".