855444323 has 2 divisors, whose sum is σ = 855444324. Its totient is φ = 855444322.

The previous prime is 855444241. The next prime is 855444347. The reversal of 855444323 is 323444558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 855444323 - 2¹² = 855440227 is a prime.

It is not a weakly prime, because it can be changed into another prime (855444223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427722161 + 427722162.

It is an arithmetic number, because the mean of its divisors is an integer number (427722162).

Almost surely, 2^855444323 is an apocalyptic number.

855444323 is a deficient number, since it is larger than the sum of its proper divisors (1).

855444323 is an equidigital number, since it uses as much as digits as its factorization.

855444323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 38.

The square root of 855444323 is about 29247.9798105784. The cubic root of 855444323 is about 949.2863793123.

The spelling of 855444323 in words is "eight hundred fifty-five million, four hundred forty-four thousand, three hundred twenty-three".