2123043061 has 2 divisors, whose sum is σ = 2123043062. Its totient is φ = 2123043060.

The previous prime is 2123043059. The next prime is 2123043067. The reversal of 2123043061 is 1603403212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100480561 + 22562500 = 45831^2 + 4750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123043061 - 2¹ = 2123043059 is a prime.

Together with 2123043059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123043067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061521530 + 1061521531.

It is an arithmetic number, because the mean of its divisors is an integer number (1061521531).

Almost surely, 2^2123043061 is an apocalyptic number.

It is an amenable number.

2123043061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123043061 is an equidigital number, since it uses as much as digits as its factorization.

2123043061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2123043061 is about 46076.4914137351. The cubic root of 2123043061 is about 1285.2460199061.

Adding to 2123043061 its reverse (1603403212), we get a palindrome (3726446273).

The spelling of 2123043061 in words is "two billion, one hundred twenty-three million, forty-three thousand, sixty-one".