1044423012 has 48 divisors (see below), whose sum is σ = 2500025472. Its totient is φ = 339160320.

The previous prime is 1044423011. The next prime is 1044423073. The reversal of 1044423012 is 2103244401.

It is a self number, because there is not a number n which added to its sum of digits gives 1044423012.

It is not an unprimeable number, because it can be changed into a prime (1044423011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521998 + ... + 523994.

It is an arithmetic number, because the mean of its divisors is an integer number (52083864).

Almost surely, 2^1044423012 is an apocalyptic number.

1044423012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1044423012 is an abundant number, since it is smaller than the sum of its proper divisors (1455602460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1044423012 is a wasteful number, since it uses less digits than its factorization.

1044423012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1044423012 is about 32317.5341262294. The cubic root of 1044423012 is about 1014.5936597345.

Adding to 1044423012 its reverse (2103244401), we get a palindrome (3147667413).

The spelling of 1044423012 in words is "one billion, forty-four million, four hundred twenty-three thousand, twelve".