323278314647 has 2 divisors, whose sum is σ = 323278314648. Its totient is φ = 323278314646.

The previous prime is 323278314607. The next prime is 323278314673. The reversal of 323278314647 is 746413872323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323278314647 - 2¹⁶ = 323278249111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323278314595 and 323278314604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323278314607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161639157323 + 161639157324.

It is an arithmetic number, because the mean of its divisors is an integer number (161639157324).

Almost surely, 2^323278314647 is an apocalyptic number.

323278314647 is a deficient number, since it is larger than the sum of its proper divisors (1).

323278314647 is an equidigital number, since it uses as much as digits as its factorization.

323278314647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 50.

The spelling of 323278314647 in words is "three hundred twenty-three billion, two hundred seventy-eight million, three hundred fourteen thousand, six hundred forty-seven".