2123366339 has 2 divisors, whose sum is σ = 2123366340. Its totient is φ = 2123366338.

The previous prime is 2123366327. The next prime is 2123366353. The reversal of 2123366339 is 9336633212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123366339 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123366309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061683169 + 1061683170.

It is an arithmetic number, because the mean of its divisors is an integer number (1061683170).

Almost surely, 2^2123366339 is an apocalyptic number.

2123366339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123366339 is an equidigital number, since it uses as much as digits as its factorization.

2123366339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 38.

The square root of 2123366339 is about 46079.9993381076. Note that the first 3 decimals coincide. The cubic root of 2123366339 is about 1285.3112518496.

The spelling of 2123366339 in words is "two billion, one hundred twenty-three million, three hundred sixty-six thousand, three hundred thirty-nine".