23804642 has 4 divisors (see below), whose sum is σ = 35706966. Its totient is φ = 11902320.

The previous prime is 23804623. The next prime is 23804659. The reversal of 23804642 is 24640832.

It is a Cunningham number, because it is equal to 4879²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23804641 + 1 = 4879^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5951159 + ... + 5951162.

Almost surely, 2^23804642 is an apocalyptic number.

23804642 is a deficient number, since it is larger than the sum of its proper divisors (11902324).

23804642 is a wasteful number, since it uses less digits than its factorization.

23804642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11902323.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 23804642 is about 4879.0001024800. Note that the first 3 decimals coincide. The cubic root of 23804642 is about 287.6651280755.

The spelling of 23804642 in words is "twenty-three million, eight hundred four thousand, six hundred forty-two".