2143122307 has 2 divisors, whose sum is σ = 2143122308. Its totient is φ = 2143122306.

The previous prime is 2143122283. The next prime is 2143122353. The reversal of 2143122307 is 7032213412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143122307 - 2¹⁵ = 2143089539 is a prime.

It is a super-2 number, since 2×2143122307² = 9185946445522004498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2143122607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071561153 + 1071561154.

It is an arithmetic number, because the mean of its divisors is an integer number (1071561154).

Almost surely, 2^2143122307 is an apocalyptic number.

2143122307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143122307 is an equidigital number, since it uses as much as digits as its factorization.

2143122307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2143122307 is about 46293.8690001171. The cubic root of 2143122307 is about 1289.2851651219.

Adding to 2143122307 its reverse (7032213412), we get a palindrome (9175335719).

The spelling of 2143122307 in words is "two billion, one hundred forty-three million, one hundred twenty-two thousand, three hundred seven".