23003021209 has 8 divisors (see below), whose sum is σ = 26544402560. Its totient is φ = 19525448736.

The previous prime is 23003021203. The next prime is 23003021227. The reversal of 23003021209 is 90212030032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23003021209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23003021209.

It is not an unprimeable number, because it can be changed into a prime (23003021203) 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, 15951444 + ... + 15952885.

It is an arithmetic number, because the mean of its divisors is an integer number (3318050320).

Almost surely, 2^23003021209 is an apocalyptic number.

It is an amenable number.

23003021209 is a deficient number, since it is larger than the sum of its proper divisors (3541381351).

23003021209 is a wasteful number, since it uses less digits than its factorization.

23003021209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31904439.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 23003021209 in words is "twenty-three billion, three million, twenty-one thousand, two hundred nine".