5561441323 has 4 divisors (see below), whose sum is σ = 5740842688. Its totient is φ = 5382039960.

The previous prime is 5561441321. The next prime is 5561441339. The reversal of 5561441323 is 3231441655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5561441323 - 2¹ = 5561441321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5561441321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89700636 + ... + 89700697.

It is an arithmetic number, because the mean of its divisors is an integer number (1435210672).

Almost surely, 2^5561441323 is an apocalyptic number.

5561441323 is a deficient number, since it is larger than the sum of its proper divisors (179401365).

5561441323 is a wasteful number, since it uses less digits than its factorization.

5561441323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179401364.

The product of its digits is 43200, while the sum is 34.

The square root of 5561441323 is about 74575.0717264154. The cubic root of 5561441323 is about 1771.7228506780.

Adding to 5561441323 its reverse (3231441655), we get a palindrome (8792882978).

The spelling of 5561441323 in words is "five billion, five hundred sixty-one million, four hundred forty-one thousand, three hundred twenty-three".