20423195141 has 2 divisors, whose sum is σ = 20423195142. Its totient is φ = 20423195140.

The previous prime is 20423195119. The next prime is 20423195197. The reversal of 20423195141 is 14159132402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18696460225 + 1726734916 = 136735^2 + 41554^2 .

It is a cyclic number.

It is not a de Polignac number, because 20423195141 - 2¹⁴ = 20423178757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20423195098 and 20423195107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20423195101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211597570 + 10211597571.

It is an arithmetic number, because the mean of its divisors is an integer number (10211597571).

Almost surely, 2^20423195141 is an apocalyptic number.

It is an amenable number.

20423195141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20423195141 is an equidigital number, since it uses as much as digits as its factorization.

20423195141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 20423195141 in words is "twenty billion, four hundred twenty-three million, one hundred ninety-five thousand, one hundred forty-one".