1323646222173 has 16 divisors (see below), whose sum is σ = 1925325152256. Its totient is φ = 802200849840.

The previous prime is 1323646222153. The next prime is 1323646222229. The reversal of 1323646222173 is 3712226463231.

It is not a de Polignac number, because 1323646222173 - 2³³ = 1315056287581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323646222153) 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, 3896190 + ... + 4222272.

It is an arithmetic number, because the mean of its divisors is an integer number (120332822016).

Almost surely, 2^{1323646222173} is an apocalyptic number.

It is an amenable number.

1323646222173 is a deficient number, since it is larger than the sum of its proper divisors (601678930083).

1323646222173 is a wasteful number, since it uses less digits than its factorization.

1323646222173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449104.

The product of its digits is 435456, while the sum is 42.

The spelling of 1323646222173 in words is "one trillion, three hundred twenty-three billion, six hundred forty-six million, two hundred twenty-two thousand, one hundred seventy-three".