23445636 has 12 divisors (see below), whose sum is σ = 54706512. Its totient is φ = 7815208.

The previous prime is 23445593. The next prime is 23445647. The reversal of 23445636 is 63654432.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23445597 and 23445606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976890 + ... + 976913.

It is an arithmetic number, because the mean of its divisors is an integer number (4558876).

Almost surely, 2^23445636 is an apocalyptic number.

It is an amenable number.

23445636 is an abundant number, since it is smaller than the sum of its proper divisors (31260876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23445636 is a wasteful number, since it uses less digits than its factorization.

23445636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953810 (or 1953808 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 23445636 is about 4842.0693923156. The cubic root of 23445636 is about 286.2116711010.

The spelling of 23445636 in words is "twenty-three million, four hundred forty-five thousand, six hundred thirty-six".