23916243 has 16 divisors (see below), whose sum is σ = 35181216. Its totient is φ = 14357760.

The previous prime is 23916203. The next prime is 23916247. The reversal of 23916243 is 34261932.

It is not a de Polignac number, because 23916243 - 2¹⁰ = 23915219 is a prime.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 23916243.

It is not an unprimeable number, because it can be changed into a prime (23916247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5880 + ... + 9077.

It is an arithmetic number, because the mean of its divisors is an integer number (2198826).

Almost surely, 2^23916243 is an apocalyptic number.

23916243 is a deficient number, since it is larger than the sum of its proper divisors (11264973).

23916243 is a wasteful number, since it uses less digits than its factorization.

23916243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15014.

The product of its digits is 7776, while the sum is 30.

The square root of 23916243 is about 4890.4236012845. The cubic root of 23916243 is about 288.1139715775.

The spelling of 23916243 in words is "twenty-three million, nine hundred sixteen thousand, two hundred forty-three".