1044040423 has 8 divisors (see below), whose sum is σ = 1054527392. Its totient is φ = 1033602336.

The previous prime is 1044040331. The next prime is 1044040427. The reversal of 1044040423 is 3240404401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1044040423 - 2²⁵ = 1010485991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1044040394 and 1044040403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044040427) 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 7 ways as a sum of consecutive naturals, for example, 31486 + ... + 55492.

It is an arithmetic number, because the mean of its divisors is an integer number (131815924).

Almost surely, 2^1044040423 is an apocalyptic number.

1044040423 is a deficient number, since it is larger than the sum of its proper divisors (10486969).

1044040423 is a wasteful number, since it uses less digits than its factorization.

1044040423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24441.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1044040423 is about 32311.6143669734. The cubic root of 1044040423 is about 1014.4697572617.

Adding to 1044040423 its reverse (3240404401), we get a palindrome (4284444824).

The spelling of 1044040423 in words is "one billion, forty-four million, forty thousand, four hundred twenty-three".