20123141 has 2 divisors, whose sum is σ = 20123142. Its totient is φ = 20123140.

The previous prime is 20123119. The next prime is 20123143. The reversal of 20123141 is 14132102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19228225 + 894916 = 4385^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 20123141 - 2²² = 15928837 is a prime.

Together with 20123143, 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 (20123143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061570 + 10061571.

It is an arithmetic number, because the mean of its divisors is an integer number (10061571).

Almost surely, 2^20123141 is an apocalyptic number.

It is an amenable number.

20123141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123141 is an equidigital number, since it uses as much as digits as its factorization.

20123141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20123141 is about 4485.8824104071. The cubic root of 20123141 is about 271.9977157031.

Adding to 20123141 its reverse (14132102), we get a palindrome (34255243).

The spelling of 20123141 in words is "twenty million, one hundred twenty-three thousand, one hundred forty-one".