1044421023 has 16 divisors (see below), whose sum is σ = 1426320896. Its totient is φ = 679432320.

The previous prime is 1044420997. The next prime is 1044421039. The reversal of 1044421023 is 3201244401.

It is not a de Polignac number, because 1044421023 - 2²¹ = 1042323871 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 (1044421523) 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, 155511 + ... + 162087.

It is an arithmetic number, because the mean of its divisors is an integer number (89145056).

Almost surely, 2^1044421023 is an apocalyptic number.

1044421023 is a deficient number, since it is larger than the sum of its proper divisors (381899873).

1044421023 is a wasteful number, since it uses less digits than its factorization.

1044421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7854.

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

The square root of 1044421023 is about 32317.5033534461. The cubic root of 1044421023 is about 1014.5930156697.

Adding to 1044421023 its reverse (3201244401), we get a palindrome (4245665424).

The spelling of 1044421023 in words is "one billion, forty-four million, four hundred twenty-one thousand, twenty-three".