23133331209 has 8 divisors (see below), whose sum is σ = 30869381440. Its totient is φ = 15409750896.

The previous prime is 23133331189. The next prime is 23133331229. The reversal of 23133331209 is 90213333132.

It is an interprime number because it is at equal distance from previous prime (23133331189) and next prime (23133331229).

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

It is not a de Polignac number, because 23133331209 - 2⁸ = 23133330953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133331229) 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, 3113149 + ... + 3120570.

It is an arithmetic number, because the mean of its divisors is an integer number (3858672680).

Almost surely, 2^23133331209 is an apocalyptic number.

It is an amenable number.

23133331209 is a deficient number, since it is larger than the sum of its proper divisors (7736050231).

23133331209 is a wasteful number, since it uses less digits than its factorization.

23133331209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234959.

The product of its (nonzero) digits is 8748, while the sum is 30.

The spelling of 23133331209 in words is "twenty-three billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred nine".