2320203121 has 2 divisors, whose sum is σ = 2320203122. Its totient is φ = 2320203120.

The previous prime is 2320203097. The next prime is 2320203133. The reversal of 2320203121 is 1213020232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1655594721 + 664608400 = 40689^2 + 25780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320203121 - 2⁵ = 2320203089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2320203095 and 2320203104.

It is not a weakly prime, because it can be changed into another prime (2320203181) 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, 1160101560 + 1160101561.

It is an arithmetic number, because the mean of its divisors is an integer number (1160101561).

Almost surely, 2^2320203121 is an apocalyptic number.

It is an amenable number.

2320203121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320203121 is an equidigital number, since it uses as much as digits as its factorization.

2320203121 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 2320203121 is about 48168.4868041337. The cubic root of 2320203121 is about 1323.8598229439.

Adding to 2320203121 its reverse (1213020232), we get a palindrome (3533223353).

The spelling of 2320203121 in words is "two billion, three hundred twenty million, two hundred three thousand, one hundred twenty-one".