320546783233 has 2 divisors, whose sum is σ = 320546783234. Its totient is φ = 320546783232.

The previous prime is 320546783209. The next prime is 320546783269. The reversal of 320546783233 is 332387645023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247543066369 + 73003716864 = 497537^2 + 270192^2 .

It is a cyclic number.

It is not a de Polignac number, because 320546783233 - 2¹³ = 320546775041 is a prime.

It is not a weakly prime, because it can be changed into another prime (320546786233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160273391616 + 160273391617.

It is an arithmetic number, because the mean of its divisors is an integer number (160273391617).

Almost surely, 2^320546783233 is an apocalyptic number.

It is an amenable number.

320546783233 is a deficient number, since it is larger than the sum of its proper divisors (1).

320546783233 is an equidigital number, since it uses as much as digits as its factorization.

320546783233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 320546783233 in words is "three hundred twenty billion, five hundred forty-six million, seven hundred eighty-three thousand, two hundred thirty-three".