4405121323 has 2 divisors, whose sum is σ = 4405121324. Its totient is φ = 4405121322.

The previous prime is 4405121267. The next prime is 4405121353. The reversal of 4405121323 is 3231215044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4405121323 is a prime.

It is not a weakly prime, because it can be changed into another prime (4405121353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202560661 + 2202560662.

It is an arithmetic number, because the mean of its divisors is an integer number (2202560662).

Almost surely, 2^4405121323 is an apocalyptic number.

4405121323 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405121323 is an equidigital number, since it uses as much as digits as its factorization.

4405121323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4405121323 is about 66371.0880052452. The cubic root of 4405121323 is about 1639.2780536189.

Adding to 4405121323 its reverse (3231215044), we get a palindrome (7636336367).

The spelling of 4405121323 in words is "four billion, four hundred five million, one hundred twenty-one thousand, three hundred twenty-three".