12909583223 has 4 divisors (see below), whose sum is σ = 12953643528. Its totient is φ = 12865522920.

The previous prime is 12909583213. The next prime is 12909583229. The reversal of 12909583223 is 32238590921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12909583223 - 2⁸ = 12909582967 is a prime.

It is a super-3 number, since 3×12909583223³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12909583229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22029713 + ... + 22030298.

It is an arithmetic number, because the mean of its divisors is an integer number (3238410882).

Almost surely, 2^12909583223 is an apocalyptic number.

12909583223 is a deficient number, since it is larger than the sum of its proper divisors (44060305).

12909583223 is an equidigital number, since it uses as much as digits as its factorization.

12909583223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44060304.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 12909583223 in words is "twelve billion, nine hundred nine million, five hundred eighty-three thousand, two hundred twenty-three".