1044020323 has 4 divisors (see below), whose sum is σ = 1044178888. Its totient is φ = 1043861760.

The previous prime is 1044020321. The next prime is 1044020333. The reversal of 1044020323 is 3230204401.

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 1044020323 - 2¹ = 1044020321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044020323.

It is not an unprimeable number, because it can be changed into a prime (1044020321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68958 + ... + 82723.

It is an arithmetic number, because the mean of its divisors is an integer number (261044722).

Almost surely, 2^1044020323 is an apocalyptic number.

1044020323 is a deficient number, since it is larger than the sum of its proper divisors (158565).

1044020323 is an equidigital number, since it uses as much as digits as its factorization.

1044020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158564.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1044020323 is about 32311.3033318063. The cubic root of 1044020323 is about 1014.4632469860.

Adding to 1044020323 its reverse (3230204401), we get a palindrome (4274224724).

The spelling of 1044020323 in words is "one billion, forty-four million, twenty thousand, three hundred twenty-three".