23044009 has 8 divisors (see below), whose sum is σ = 24421320. Its totient is φ = 21705600.

The previous prime is 23044003. The next prime is 23044013. The reversal of 23044009 is 90044032.

It can be written as a sum of positive squares in 4 ways, for example, as 1625625 + 21418384 = 1275^2 + 4628^2 .

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 23044009 - 2⁹ = 23043497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23044003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8502 + ... + 10879.

It is an arithmetic number, because the mean of its divisors is an integer number (3052665).

Almost surely, 2^23044009 is an apocalyptic number.

23044009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23044009 is a deficient number, since it is larger than the sum of its proper divisors (1377311).

23044009 is a wasteful number, since it uses less digits than its factorization.

23044009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19451.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23044009 is about 4800.4175860023. The cubic root of 23044009 is about 284.5679675517.

The spelling of 23044009 in words is "twenty-three million, forty-four thousand, nine".