2321404121 has 2 divisors, whose sum is σ = 2321404122. Its totient is φ = 2321404120.

The previous prime is 2321404103. The next prime is 2321404153. The reversal of 2321404121 is 1214041232.

2321404121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2310148096 + 11256025 = 48064^2 + 3355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321404121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321404093 and 2321404102.

It is not a weakly prime, because it can be changed into another prime (2321403121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160702060 + 1160702061.

It is an arithmetic number, because the mean of its divisors is an integer number (1160702061).

Almost surely, 2^2321404121 is an apocalyptic number.

It is an amenable number.

2321404121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321404121 is an equidigital number, since it uses as much as digits as its factorization.

2321404121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2321404121 is about 48180.9518482149. The cubic root of 2321404121 is about 1324.0882054473.

Adding to 2321404121 its reverse (1214041232), we get a palindrome (3535445353).

It can be divided in two parts, 2 and 321404121, that added together give a palindrome (321404123).

The spelling of 2321404121 in words is "two billion, three hundred twenty-one million, four hundred four thousand, one hundred twenty-one".