23085945 has 16 divisors (see below), whose sum is σ = 41041920. Its totient is φ = 12312432.

The previous prime is 23085929. The next prime is 23085961. The reversal of 23085945 is 54958032.

It is an interprime number because it is at equal distance from previous prime (23085929) and next prime (23085961).

It is not a de Polignac number, because 23085945 - 2⁴ = 23085929 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 85369 + ... + 85638.

It is an arithmetic number, because the mean of its divisors is an integer number (2565120).

Almost surely, 2^23085945 is an apocalyptic number.

It is an amenable number.

23085945 is a deficient number, since it is larger than the sum of its proper divisors (17955975).

23085945 is a wasteful number, since it uses less digits than its factorization.

23085945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171021 (or 171015 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 23085945 is about 4804.7835539179. The cubic root of 23085945 is about 284.7404839826.

The spelling of 23085945 in words is "twenty-three million, eighty-five thousand, nine hundred forty-five".