923789011 has 2 divisors, whose sum is σ = 923789012. Its totient is φ = 923789010.

The previous prime is 923789003. The next prime is 923789029. The reversal of 923789011 is 110987329.

It is a weak prime.

It is an emirp because it is prime and its reverse (110987329) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 923789011 - 2³ = 923789003 is a prime.

It is a super-2 number, since 2×923789011² = 1706772273688716242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (923789071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461894505 + 461894506.

It is an arithmetic number, because the mean of its divisors is an integer number (461894506).

Almost surely, 2^923789011 is an apocalyptic number.

923789011 is a deficient number, since it is larger than the sum of its proper divisors (1).

923789011 is an equidigital number, since it uses as much as digits as its factorization.

923789011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 923789011 is about 30393.8975947475. The cubic root of 923789011 is about 973.9221965886.

The spelling of 923789011 in words is "nine hundred twenty-three million, seven hundred eighty-nine thousand, eleven".