5423009 has 4 divisors (see below), whose sum is σ = 5658816. Its totient is φ = 5187204.

The previous prime is 5423003. The next prime is 5423021. The reversal of 5423009 is 9003245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5423009 - 2¹² = 5418913 is a prime.

It is a super-2 number, since 2×5423009² = 58818053228162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 235783 = 5423009 / (5 + 4 + 2 + 3 + 0 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5423003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117869 + ... + 117914.

It is an arithmetic number, because the mean of its divisors is an integer number (1414704).

Almost surely, 2^5423009 is an apocalyptic number.

It is an amenable number.

5423009 is a deficient number, since it is larger than the sum of its proper divisors (235807).

5423009 is a wasteful number, since it uses less digits than its factorization.

5423009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235806.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 5423009 is about 2328.7354937820. The cubic root of 5423009 is about 175.6898916748.

The spelling of 5423009 in words is "five million, four hundred twenty-three thousand, nine".