23623081 has 8 divisors (see below), whose sum is σ = 25875720. Its totient is φ = 21466368.

The previous prime is 23623063. The next prime is 23623087. The reversal of 23623081 is 18032632.

It can be written as a sum of positive squares in 4 ways, for example, as 2509056 + 21114025 = 1584^2 + 4595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23623081 - 2²³ = 15234473 is a prime.

It is a super-2 number, since 2×23623081² = 1116099911865122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23623087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23466 + ... + 24451.

It is an arithmetic number, because the mean of its divisors is an integer number (3234465).

Almost surely, 2^23623081 is an apocalyptic number.

It is an amenable number.

23623081 is a deficient number, since it is larger than the sum of its proper divisors (2252639).

23623081 is a wasteful number, since it uses less digits than its factorization.

23623081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47963.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 23623081 is about 4860.3581143780. The cubic root of 23623081 is about 286.9319080733.

The spelling of 23623081 in words is "twenty-three million, six hundred twenty-three thousand, eighty-one".