23243818 has 16 divisors (see below), whose sum is σ = 38003616. Its totient is φ = 10597680.

The previous prime is 23243791. The next prime is 23243827. The reversal of 23243818 is 81834232.

It is a self number, because there is not a number n which added to its sum of digits gives 23243818.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3228 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (2375226).

Almost surely, 2^23243818 is an apocalyptic number.

23243818 is a deficient number, since it is larger than the sum of its proper divisors (14759798).

23243818 is a wasteful number, since it uses less digits than its factorization.

23243818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10869.

The product of its digits is 9216, while the sum is 31.

The square root of 23243818 is about 4821.1842943410. The cubic root of 23243818 is about 285.3880750043.

The spelling of 23243818 in words is "twenty-three million, two hundred forty-three thousand, eight hundred eighteen".