923841962081 has 2 divisors, whose sum is σ = 923841962082. Its totient is φ = 923841962080.

The previous prime is 923841962077. The next prime is 923841962111. The reversal of 923841962081 is 180269148329.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 918185568400 + 5656393681 = 958220^2 + 75209^2 .

It is a cyclic number.

It is not a de Polignac number, because 923841962081 - 2² = 923841962077 is a prime.

It is a super-2 number, since 2×923841962081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (923841962041) 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, 461920981040 + 461920981041.

It is an arithmetic number, because the mean of its divisors is an integer number (461920981041).

Almost surely, 2^923841962081 is an apocalyptic number.

It is an amenable number.

923841962081 is a deficient number, since it is larger than the sum of its proper divisors (1).

923841962081 is an equidigital number, since it uses as much as digits as its factorization.

923841962081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 923841962081 in words is "nine hundred twenty-three billion, eight hundred forty-one million, nine hundred sixty-two thousand, eighty-one".