2143234141 has 2 divisors, whose sum is σ = 2143234142. Its totient is φ = 2143234140.

The previous prime is 2143234133. The next prime is 2143234157. The reversal of 2143234141 is 1414323412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1546848900 + 596385241 = 39330^2 + 24421^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143234141 - 2³ = 2143234133 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143234741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071617070 + 1071617071.

It is an arithmetic number, because the mean of its divisors is an integer number (1071617071).

Almost surely, 2^2143234141 is an apocalyptic number.

It is an amenable number.

2143234141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143234141 is an equidigital number, since it uses as much as digits as its factorization.

2143234141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 2143234141 is about 46295.0768548881. The cubic root of 2143234141 is about 1289.3075908772.

Adding to 2143234141 its reverse (1414323412), we get a palindrome (3557557553).

The spelling of 2143234141 in words is "two billion, one hundred forty-three million, two hundred thirty-four thousand, one hundred forty-one".