1044421423 has 4 divisors (see below), whose sum is σ = 1044537768. Its totient is φ = 1044305080.

The previous prime is 1044421409. The next prime is 1044421429. The reversal of 1044421423 is 3241244401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3241244401 = 31 ⋅104556271.

It is a cyclic number.

It is not a de Polignac number, because 1044421423 - 2¹³ = 1044413231 is a prime.

It is a super-2 number, since 2×1044421423² = 2181632217642689858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044421429) 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, 43468 + ... + 63073.

It is an arithmetic number, because the mean of its divisors is an integer number (261134442).

Almost surely, 2^1044421423 is an apocalyptic number.

1044421423 is a deficient number, since it is larger than the sum of its proper divisors (116345).

1044421423 is an equidigital number, since it uses as much as digits as its factorization.

1044421423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116344.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1044421423 is about 32317.5095420424. The cubic root of 1044421423 is about 1014.5931451951.

Adding to 1044421423 its reverse (3241244401), we get a palindrome (4285665824).

The spelling of 1044421423 in words is "one billion, forty-four million, four hundred twenty-one thousand, four hundred twenty-three".