23626081 has 4 divisors (see below), whose sum is σ = 23645700. Its totient is φ = 23606464.

The previous prime is 23626027. The next prime is 23626087. The reversal of 23626081 is 18062632.

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 15673681 + 7952400 = 3959^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 23626081 - 2¹³ = 23617889 is a prime.

It is a super-2 number, since 2×23626081² = 1116383406837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23626087) 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, 7876 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (5911425).

Almost surely, 2^23626081 is an apocalyptic number.

It is an amenable number.

23626081 is a deficient number, since it is larger than the sum of its proper divisors (19619).

23626081 is a wasteful number, since it uses less digits than its factorization.

23626081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19618.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23626081 is about 4860.6667238147. Note that the first 3 decimals coincide. The cubic root of 23626081 is about 286.9440538118.

The spelling of 23626081 in words is "twenty-three million, six hundred twenty-six thousand, eighty-one".