13203655323 has 4 divisors (see below), whose sum is σ = 17604873768. Its totient is φ = 8802436880.

The previous prime is 13203655301. The next prime is 13203655327. The reversal of 13203655323 is 32355630231.

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 13203655323 - 2⁶ = 13203655259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13203655327) 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, 2200609218 + ... + 2200609223.

It is an arithmetic number, because the mean of its divisors is an integer number (4401218442).

Almost surely, 2^13203655323 is an apocalyptic number.

13203655323 is a deficient number, since it is larger than the sum of its proper divisors (4401218445).

13203655323 is an equidigital number, since it uses as much as digits as its factorization.

13203655323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401218444.

The product of its (nonzero) digits is 48600, while the sum is 33.

The spelling of 13203655323 in words is "thirteen billion, two hundred three million, six hundred fifty-five thousand, three hundred twenty-three".