923349091 has 6 divisors (see below), whose sum is σ = 1074100020. Its totient is φ = 791442036.

The previous prime is 923349083. The next prime is 923349109. The reversal of 923349091 is 190943329.

It is not a de Polignac number, because 923349091 - 2³ = 923349083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (923349001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9421881 + ... + 9421978.

It is an arithmetic number, because the mean of its divisors is an integer number (179016670).

Almost surely, 2^923349091 is an apocalyptic number.

923349091 is a deficient number, since it is larger than the sum of its proper divisors (150750929).

923349091 is a wasteful number, since it uses less digits than its factorization.

923349091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18843873 (or 18843866 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 923349091 is about 30386.6597539117. The cubic root of 923349091 is about 973.7675740227.

The spelling of 923349091 in words is "nine hundred twenty-three million, three hundred forty-nine thousand, ninety-one".