2133123029 has 2 divisors, whose sum is σ = 2133123030. Its totient is φ = 2133123028.

The previous prime is 2133122983. The next prime is 2133123049. The reversal of 2133123029 is 9203213312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1544332804 + 588790225 = 39298^2 + 24265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133123029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2133122989 and 2133123007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133123049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066561514 + 1066561515.

It is an arithmetic number, because the mean of its divisors is an integer number (1066561515).

Almost surely, 2^2133123029 is an apocalyptic number.

It is an amenable number.

2133123029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133123029 is an equidigital number, since it uses as much as digits as its factorization.

2133123029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 2133123029 is about 46185.7448678702. The cubic root of 2133123029 is about 1287.2768767088.

The spelling of 2133123029 in words is "two billion, one hundred thirty-three million, one hundred twenty-three thousand, twenty-nine".