13505626223 has 4 divisors (see below), whose sum is σ = 13505982048. Its totient is φ = 13505270400.

The previous prime is 13505626207. The next prime is 13505626247. The reversal of 13505626223 is 32262650531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32262650531 = 47 ⋅686439373.

It is a cyclic number.

It is not a de Polignac number, because 13505626223 - 2⁴ = 13505626207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505626273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113111 + ... + 199512.

It is an arithmetic number, because the mean of its divisors is an integer number (3376495512).

Almost surely, 2^13505626223 is an apocalyptic number.

13505626223 is a deficient number, since it is larger than the sum of its proper divisors (355825).

13505626223 is an equidigital number, since it uses as much as digits as its factorization.

13505626223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355824.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 13505626223 in words is "thirteen billion, five hundred five million, six hundred twenty-six thousand, two hundred twenty-three".