23684242 has 12 divisors (see below), whose sum is σ = 36796266. Its totient is φ = 11432960.

The previous prime is 23684237. The next prime is 23684249. The reversal of 23684242 is 24248632.

It can be written as a sum of positive squares in 3 ways, for example, as 22857961 + 826281 = 4781^2 + 909^2 .

It is a super-2 number, since 2×23684242² = 1121886638229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23684249) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5359 + ... + 8722.

Almost surely, 2^23684242 is an apocalyptic number.

23684242 is a deficient number, since it is larger than the sum of its proper divisors (13112024).

23684242 is a wasteful number, since it uses less digits than its factorization.

23684242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14141 (or 14112 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 23684242 is about 4866.6458675355. The cubic root of 23684242 is about 287.1793203273.

The spelling of 23684242 in words is "twenty-three million, six hundred eighty-four thousand, two hundred forty-two".