20003123141 has 2 divisors, whose sum is σ = 20003123142. Its totient is φ = 20003123140.

The previous prime is 20003123093. The next prime is 20003123149. The reversal of 20003123141 is 14132130002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11331602500 + 8671520641 = 106450^2 + 93121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003123141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20003123149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001561570 + 10001561571.

It is an arithmetic number, because the mean of its divisors is an integer number (10001561571).

Almost surely, 2^20003123141 is an apocalyptic number.

It is an amenable number.

20003123141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003123141 is an equidigital number, since it uses as much as digits as its factorization.

20003123141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20003123141 its reverse (14132130002), we get a palindrome (34135253143).

The spelling of 20003123141 in words is "twenty billion, three million, one hundred twenty-three thousand, one hundred forty-one".