2120201323 has 2 divisors, whose sum is σ = 2120201324. Its totient is φ = 2120201322.

The previous prime is 2120201297. The next prime is 2120201329. The reversal of 2120201323 is 3231020212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120201323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120201297 and 2120201306.

It is not a weakly prime, because it can be changed into another prime (2120201329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060100661 + 1060100662.

It is an arithmetic number, because the mean of its divisors is an integer number (1060100662).

Almost surely, 2^2120201323 is an apocalyptic number.

2120201323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120201323 is an equidigital number, since it uses as much as digits as its factorization.

2120201323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120201323 is about 46045.6439090605. The cubic root of 2120201323 is about 1284.6723208749.

Adding to 2120201323 its reverse (3231020212), we get a palindrome (5351221535).

The spelling of 2120201323 in words is "two billion, one hundred twenty million, two hundred one thousand, three hundred twenty-three".