323147947 has 2 divisors, whose sum is σ = 323147948. Its totient is φ = 323147946.

The previous prime is 323147887. The next prime is 323147959. The reversal of 323147947 is 749741323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323147947 - 2¹¹ = 323145899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (323147047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161573973 + 161573974.

It is an arithmetic number, because the mean of its divisors is an integer number (161573974).

Almost surely, 2^323147947 is an apocalyptic number.

323147947 is a deficient number, since it is larger than the sum of its proper divisors (1).

323147947 is an equidigital number, since it uses as much as digits as its factorization.

323147947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 323147947 is about 17976.3162800391. The cubic root of 323147947 is about 686.2259446358.

The spelling of 323147947 in words is "three hundred twenty-three million, one hundred forty-seven thousand, nine hundred forty-seven".