13173622003 has 4 divisors (see below), whose sum is σ = 13192203280. Its totient is φ = 13155040728.

The previous prime is 13173621991. The next prime is 13173622009. The reversal of 13173622003 is 30022637131.

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 13173622003 - 2¹⁷ = 13173490931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13173622009) 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, 9289575 + ... + 9290992.

It is an arithmetic number, because the mean of its divisors is an integer number (3298050820).

Almost surely, 2^13173622003 is an apocalyptic number.

13173622003 is a deficient number, since it is larger than the sum of its proper divisors (18581277).

13173622003 is an equidigital number, since it uses as much as digits as its factorization.

13173622003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18581276.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 13173622003 in words is "thirteen billion, one hundred seventy-three million, six hundred twenty-two thousand, three".