923388975169 has 2 divisors, whose sum is σ = 923388975170. Its totient is φ = 923388975168.

The previous prime is 923388975167. The next prime is 923388975203. The reversal of 923388975169 is 961579883329.

923388975169 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., 702688210225 + 220700764944 = 838265^2 + 469788^2 .

It is a cyclic number.

It is not a de Polignac number, because 923388975169 - 2¹ = 923388975167 is a prime.

It is a super-2 number, since 2×923388975169² (a number of 25 digits) contains 22 as substring.

Together with 923388975167, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 923388975098 and 923388975107.

It is not a weakly prime, because it can be changed into another prime (923388975167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461694487584 + 461694487585.

It is an arithmetic number, because the mean of its divisors is an integer number (461694487585).

Almost surely, 2^923388975169 is an apocalyptic number.

It is an amenable number.

923388975169 is a deficient number, since it is larger than the sum of its proper divisors (1).

923388975169 is an equidigital number, since it uses as much as digits as its factorization.

923388975169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176359680, while the sum is 70.

The spelling of 923388975169 in words is "nine hundred twenty-three billion, three hundred eighty-eight million, nine hundred seventy-five thousand, one hundred sixty-nine".