23083985 has 4 divisors (see below), whose sum is σ = 27700788. Its totient is φ = 18467184.

The previous prime is 23083981. The next prime is 23084023. The reversal of 23083985 is 58938032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7011904 + 16072081 = 2648^2 + 4009^2 .

It is a cyclic number.

It is not a de Polignac number, because 23083985 - 2² = 23083981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23083981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2308394 + ... + 2308403.

It is an arithmetic number, because the mean of its divisors is an integer number (6925197).

Almost surely, 2^23083985 is an apocalyptic number.

It is an amenable number.

23083985 is a deficient number, since it is larger than the sum of its proper divisors (4616803).

23083985 is an equidigital number, since it uses as much as digits as its factorization.

23083985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616802.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 23083985 is about 4804.5795861865. The cubic root of 23083985 is about 284.7324255854.

The spelling of 23083985 in words is "twenty-three million, eighty-three thousand, nine hundred eighty-five".