13223087973 has 16 divisors (see below), whose sum is σ = 19627237440. Its totient is φ = 8798527152.

The previous prime is 13223087837. The next prime is 13223088001. The reversal of 13223087973 is 37978032231.

It is not a de Polignac number, because 13223087973 - 2¹⁸ = 13222825829 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223087173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454086 + ... + 482327.

It is an arithmetic number, because the mean of its divisors is an integer number (1226702340).

Almost surely, 2^13223087973 is an apocalyptic number.

It is an amenable number.

13223087973 is a deficient number, since it is larger than the sum of its proper divisors (6404149467).

13223087973 is an equidigital number, since it uses as much as digits as its factorization.

13223087973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936945 (or 936939 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 13223087973 in words is "thirteen billion, two hundred twenty-three million, eighty-seven thousand, nine hundred seventy-three".