13223655455 has 16 divisors (see below), whose sum is σ = 16041421440. Its totient is φ = 10463873952.

The previous prime is 13223655413. The next prime is 13223655463. The reversal of 13223655455 is 55455632231.

It is a cyclic number.

It is not a de Polignac number, because 13223655455 - 2⁶ = 13223655391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333812 + ... + 371318.

It is an arithmetic number, because the mean of its divisors is an integer number (1002588840).

Almost surely, 2^13223655455 is an apocalyptic number.

13223655455 is a deficient number, since it is larger than the sum of its proper divisors (2817765985).

13223655455 is a wasteful number, since it uses less digits than its factorization.

13223655455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38278.

The product of its digits is 540000, while the sum is 41.

The spelling of 13223655455 in words is "thirteen billion, two hundred twenty-three million, six hundred fifty-five thousand, four hundred fifty-five".