1044405223 has 4 divisors (see below), whose sum is σ = 1044542248. Its totient is φ = 1044268200.

The previous prime is 1044405211. The next prime is 1044405269. The reversal of 1044405223 is 3225044401.

It is a happy number.

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 1044405223 - 2²⁹ = 507534311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044405203) 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 in 3 ways as a sum of consecutive naturals, for example, 56361 + ... + 72562.

It is an arithmetic number, because the mean of its divisors is an integer number (261135562).

Almost surely, 2^1044405223 is an apocalyptic number.

1044405223 is a deficient number, since it is larger than the sum of its proper divisors (137025).

1044405223 is an equidigital number, since it uses as much as digits as its factorization.

1044405223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137024.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1044405223 is about 32317.2589029453. The cubic root of 1044405223 is about 1014.5878993900.

Adding to 1044405223 its reverse (3225044401), we get a palindrome (4269449624).

The spelling of 1044405223 in words is "one billion, forty-four million, four hundred five thousand, two hundred twenty-three".