23038809 has 8 divisors (see below), whose sum is σ = 30766752. Its totient is φ = 15335040.

The previous prime is 23038793. The next prime is 23038817. The reversal of 23038809 is 90883032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23038809 - 2⁴ = 23038793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23038809.

It is not an unprimeable number, because it can be changed into a prime (23038109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3687 + ... + 7724.

It is an arithmetic number, because the mean of its divisors is an integer number (3845844).

Almost surely, 2^23038809 is an apocalyptic number.

It is an amenable number.

23038809 is a deficient number, since it is larger than the sum of its proper divisors (7727943).

23038809 is a wasteful number, since it uses less digits than its factorization.

23038809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 23038809 is about 4799.8759358967. The cubic root of 23038809 is about 284.5465611961.

The spelling of 23038809 in words is "twenty-three million, thirty-eight thousand, eight hundred nine".