2123320033 has 2 divisors, whose sum is σ = 2123320034. Its totient is φ = 2123320032.

The previous prime is 2123320021. The next prime is 2123320037. The reversal of 2123320033 is 3300233212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1512587664 + 610732369 = 38892^2 + 24713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123320033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123320037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061660016 + 1061660017.

It is an arithmetic number, because the mean of its divisors is an integer number (1061660017).

Almost surely, 2^2123320033 is an apocalyptic number.

It is an amenable number.

2123320033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123320033 is an equidigital number, since it uses as much as digits as its factorization.

2123320033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2123320033 is about 46079.4968831041. The cubic root of 2123320033 is about 1285.3019085011.

Adding to 2123320033 its reverse (3300233212), we get a palindrome (5423553245).

The spelling of 2123320033 in words is "two billion, one hundred twenty-three million, three hundred twenty thousand, thirty-three".