23872842 has 24 divisors (see below), whose sum is σ = 59114016. Its totient is φ = 6820776.

The previous prime is 23872841. The next prime is 23872867. The reversal of 23872842 is 24827832.

It is a junction number, because it is equal to n+sod(n) for n = 23872797 and 23872806.

It is not an unprimeable number, because it can be changed into a prime (23872841) 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 11 ways as a sum of consecutive naturals, for example, 94608 + ... + 94859.

It is an arithmetic number, because the mean of its divisors is an integer number (2463084).

Almost surely, 2^23872842 is an apocalyptic number.

23872842 is an abundant number, since it is smaller than the sum of its proper divisors (35241174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23872842 is a wasteful number, since it uses less digits than its factorization.

23872842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189482 (or 189479 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 23872842 is about 4885.9842406623. The cubic root of 23872842 is about 287.9395851284.

The spelling of 23872842 in words is "twenty-three million, eight hundred seventy-two thousand, eight hundred forty-two".