23045985 has 16 divisors (see below), whose sum is σ = 40970880. Its totient is φ = 12291120.

The previous prime is 23045929. The next prime is 23046007. The reversal of 23045985 is 58954032.

It is not a de Polignac number, because 23045985 - 2⁶ = 23045921 is a prime.

It is a super-2 number, since 2×23045985² = 1062234849240450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85221 + ... + 85490.

It is an arithmetic number, because the mean of its divisors is an integer number (2560680).

Almost surely, 2^23045985 is an apocalyptic number.

It is an amenable number.

23045985 is a deficient number, since it is larger than the sum of its proper divisors (17924895).

23045985 is a wasteful number, since it uses less digits than its factorization.

23045985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170725 (or 170719 counting only the distinct ones).

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

The square root of 23045985 is about 4800.6233970183. The cubic root of 23045985 is about 284.5761011224.

The spelling of 23045985 in words is "twenty-three million, forty-five thousand, nine hundred eighty-five".