1323217470247 has 4 divisors (see below), whose sum is σ = 1358980104616. Its totient is φ = 1287454835880.

The previous prime is 1323217470199. The next prime is 1323217470251. The reversal of 1323217470247 is 7420747123231.

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 1323217470247 - 2¹⁹ = 1323216945959 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 (1323217270247) 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, 17881317129 + ... + 17881317202.

It is an arithmetic number, because the mean of its divisors is an integer number (339745026154).

Almost surely, 2^{1323217470247} is an apocalyptic number.

1323217470247 is a deficient number, since it is larger than the sum of its proper divisors (35762634369).

1323217470247 is an equidigital number, since it uses as much as digits as its factorization.

1323217470247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35762634368.

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 1323217470247 in words is "one trillion, three hundred twenty-three billion, two hundred seventeen million, four hundred seventy thousand, two hundred forty-seven".