44423109 has 12 divisors (see below), whose sum is σ = 64333516. Its totient is φ = 29538432.

The previous prime is 44423101. The next prime is 44423117. The reversal of 44423109 is 90132444.

It is an interprime number because it is at equal distance from previous prime (44423101) and next prime (44423117).

It can be written as a sum of positive squares in 2 ways, for example, as 16892100 + 27531009 = 4110^2 + 5247^2 .

It is not a de Polignac number, because 44423109 - 2³ = 44423101 is a prime.

It is a super-2 number, since 2×44423109² = 3946825226451762, 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 (44423101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2644 + ... + 9789.

Almost surely, 2^44423109 is an apocalyptic number.

It is an amenable number.

44423109 is a deficient number, since it is larger than the sum of its proper divisors (19910407).

44423109 is a wasteful number, since it uses less digits than its factorization.

44423109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12836 (or 12833 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 44423109 is about 6665.0663162492. The cubic root of 44423109 is about 354.1628332565.

The spelling of 44423109 in words is "forty-four million, four hundred twenty-three thousand, one hundred nine".