23400085 has 16 divisors (see below), whose sum is σ = 29748096. Its totient is φ = 17633088.

The previous prime is 23400067. The next prime is 23400089. The reversal of 23400085 is 58000432.

It is not a de Polignac number, because 23400085 - 2⁹ = 23399573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6187 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (1859256).

Almost surely, 2^23400085 is an apocalyptic number.

It is an amenable number.

23400085 is a deficient number, since it is larger than the sum of its proper divisors (6348011).

23400085 is a wasteful number, since it uses less digits than its factorization.

23400085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 23400085 is about 4837.3634347649. The cubic root of 23400085 is about 286.0261969255.

The spelling of 23400085 in words is "twenty-three million, four hundred thousand, eighty-five".