2303440121 has 2 divisors, whose sum is σ = 2303440122. Its totient is φ = 2303440120.

The previous prime is 2303440103. The next prime is 2303440127. The reversal of 2303440121 is 1210443032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2148786025 + 154654096 = 46355^2 + 12436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303440121 - 2⁶ = 2303440057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2303440093 and 2303440102.

It is not a weakly prime, because it can be changed into another prime (2303440127) 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, 1151720060 + 1151720061.

It is an arithmetic number, because the mean of its divisors is an integer number (1151720061).

Almost surely, 2^2303440121 is an apocalyptic number.

It is an amenable number.

2303440121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303440121 is an equidigital number, since it uses as much as digits as its factorization.

2303440121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2303440121 is about 47994.1675727374. The cubic root of 2303440121 is about 1320.6639071104.

Adding to 2303440121 its reverse (1210443032), we get a palindrome (3513883153).

The spelling of 2303440121 in words is "two billion, three hundred three million, four hundred forty thousand, one hundred twenty-one".