23085775 has 12 divisors (see below), whose sum is σ = 28991200. Its totient is φ = 18233280.

The previous prime is 23085773. The next prime is 23085781. The reversal of 23085775 is 57758032.

It is not a de Polignac number, because 23085775 - 2¹ = 23085773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23085773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3870 + ... + 7819.

Almost surely, 2^23085775 is an apocalyptic number.

23085775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23085775 is a deficient number, since it is larger than the sum of its proper divisors (5905425).

23085775 is a wasteful number, since it uses less digits than its factorization.

23085775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778 (or 11773 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 23085775 is about 4804.7658631821. The cubic root of 23085775 is about 284.7397850580.

The spelling of 23085775 in words is "twenty-three million, eighty-five thousand, seven hundred seventy-five".