923930886889 has 2 divisors, whose sum is σ = 923930886890. Its totient is φ = 923930886888.

The previous prime is 923930886881. The next prime is 923930886913. The reversal of 923930886889 is 988688039329.

923930886889 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 can be written as a sum of positive squares in only one way, i.e., 626978912400 + 296951974489 = 791820^2 + 544933^2 .

It is a cyclic number.

It is not a de Polignac number, because 923930886889 - 2³ = 923930886881 is a prime.

It is a super-2 number, since 2×923930886889² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (923930886881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461965443444 + 461965443445.

It is an arithmetic number, because the mean of its divisors is an integer number (461965443445).

Almost surely, 2^923930886889 is an apocalyptic number.

It is an amenable number.

923930886889 is a deficient number, since it is larger than the sum of its proper divisors (1).

923930886889 is an equidigital number, since it uses as much as digits as its factorization.

923930886889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322486272, while the sum is 73.

The spelling of 923930886889 in words is "nine hundred twenty-three billion, nine hundred thirty million, eight hundred eighty-six thousand, eight hundred eighty-nine".