2404423121 has 2 divisors, whose sum is σ = 2404423122. Its totient is φ = 2404423120.

The previous prime is 2404423117. The next prime is 2404423123. The reversal of 2404423121 is 1213244042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2264332225 + 140090896 = 47585^2 + 11836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2404423121 - 2² = 2404423117 is a prime.

Together with 2404423123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2404423123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202211560 + 1202211561.

It is an arithmetic number, because the mean of its divisors is an integer number (1202211561).

Almost surely, 2^2404423121 is an apocalyptic number.

It is an amenable number.

2404423121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404423121 is an equidigital number, since it uses as much as digits as its factorization.

2404423121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2404423121 is about 49034.9173650777. The cubic root of 2404423121 is about 1339.6878906648.

Adding to 2404423121 its reverse (1213244042), we get a palindrome (3617667163).

The spelling of 2404423121 in words is "two billion, four hundred four million, four hundred twenty-three thousand, one hundred twenty-one".