923417123 has 2 divisors, whose sum is σ = 923417124. Its totient is φ = 923417122.

The previous prime is 923417093. The next prime is 923417161. The reversal of 923417123 is 321714329.

It is a weak prime.

It is an emirp because it is prime and its reverse (321714329) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-923417123 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 923417123.

It is not a weakly prime, because it can be changed into another prime (923417723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461708561 + 461708562.

It is an arithmetic number, because the mean of its divisors is an integer number (461708562).

Almost surely, 2^923417123 is an apocalyptic number.

923417123 is a deficient number, since it is larger than the sum of its proper divisors (1).

923417123 is an equidigital number, since it uses as much as digits as its factorization.

923417123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 923417123 is about 30387.7791718974. The cubic root of 923417123 is about 973.7914890401.

The spelling of 923417123 in words is "nine hundred twenty-three million, four hundred seventeen thousand, one hundred twenty-three".