13223520503 has 8 divisors (see below), whose sum is σ = 13275261696. Its totient is φ = 13171851000.

The previous prime is 13223520493. The next prime is 13223520517. The reversal of 13223520503 is 30502532231.

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

It is a cyclic number.

It is not a de Polignac number, because 13223520503 - 2¹² = 13223516407 is a prime.

It is a super-2 number, since 2×13223520503² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223520523) 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 7 ways as a sum of consecutive naturals, for example, 367778 + ... + 402128.

It is an arithmetic number, because the mean of its divisors is an integer number (1659407712).

Almost surely, 2^13223520503 is an apocalyptic number.

13223520503 is a deficient number, since it is larger than the sum of its proper divisors (51741193).

13223520503 is a wasteful number, since it uses less digits than its factorization.

13223520503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35845.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 13223520503 in words is "thirteen billion, two hundred twenty-three million, five hundred twenty thousand, five hundred three".