2123697833 has 2 divisors, whose sum is σ = 2123697834. Its totient is φ = 2123697832.

The previous prime is 2123697809. The next prime is 2123697841. The reversal of 2123697833 is 3387963212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316456089 + 807241744 = 36283^2 + 28412^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123697833 - 2⁸ = 2123697577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123697853) 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, 1061848916 + 1061848917.

It is an arithmetic number, because the mean of its divisors is an integer number (1061848917).

Almost surely, 2^2123697833 is an apocalyptic number.

It is an amenable number.

2123697833 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123697833 is an equidigital number, since it uses as much as digits as its factorization.

2123697833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 2123697833 is about 46083.5961378884. The cubic root of 2123697833 is about 1285.3781347657.

The spelling of 2123697833 in words is "two billion, one hundred twenty-three million, six hundred ninety-seven thousand, eight hundred thirty-three".