923493863 has 2 divisors, whose sum is σ = 923493864. Its totient is φ = 923493862.

The previous prime is 923493859. The next prime is 923493887. The reversal of 923493863 is 368394329.

It is a weak prime.

It is an emirp because it is prime and its reverse (368394329) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 923493863 - 2² = 923493859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923493833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461746931 + 461746932.

It is an arithmetic number, because the mean of its divisors is an integer number (461746932).

Almost surely, 2^923493863 is an apocalyptic number.

923493863 is a deficient number, since it is larger than the sum of its proper divisors (1).

923493863 is an equidigital number, since it uses as much as digits as its factorization.

923493863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 47.

The square root of 923493863 is about 30389.0418243156. The cubic root of 923493863 is about 973.8184637362.

The spelling of 923493863 in words is "nine hundred twenty-three million, four hundred ninety-three thousand, eight hundred sixty-three".