9311820923 has 2 divisors, whose sum is σ = 9311820924. Its totient is φ = 9311820922.

The previous prime is 9311820919. The next prime is 9311820949. The reversal of 9311820923 is 3290281139.

9311820923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9311820923 - 2² = 9311820919 is a prime.

It is not a weakly prime, because it can be changed into another prime (9311820953) 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, 4655910461 + 4655910462.

It is an arithmetic number, because the mean of its divisors is an integer number (4655910462).

Almost surely, 2^9311820923 is an apocalyptic number.

9311820923 is a deficient number, since it is larger than the sum of its proper divisors (1).

9311820923 is an equidigital number, since it uses as much as digits as its factorization.

9311820923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 9311820923 is about 96497.7767774989. The cubic root of 9311820923 is about 2103.8343343365.

The spelling of 9311820923 in words is "nine billion, three hundred eleven million, eight hundred twenty thousand, nine hundred twenty-three".