23455563 has 8 divisors (see below), whose sum is σ = 33113808. Its totient is φ = 14717184.

The previous prime is 23455559. The next prime is 23455571. The reversal of 23455563 is 36555432.

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

It is not a de Polignac number, because 23455563 - 2² = 23455559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23455543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229906 + ... + 230007.

It is an arithmetic number, because the mean of its divisors is an integer number (4139226).

Almost surely, 2^23455563 is an apocalyptic number.

23455563 is a deficient number, since it is larger than the sum of its proper divisors (9658245).

23455563 is a wasteful number, since it uses less digits than its factorization.

23455563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459933.

The product of its digits is 54000, while the sum is 33.

The square root of 23455563 is about 4843.0943620789. The cubic root of 23455563 is about 286.2520598874.

The spelling of 23455563 in words is "twenty-three million, four hundred fifty-five thousand, five hundred sixty-three".