23843842 has 16 divisors (see below), whose sum is σ = 39118464. Its totient is φ = 10810000.

The previous prime is 23843819. The next prime is 23843851. The reversal of 23843842 is 24834832.

It is a junction number, because it is equal to n+sod(n) for n = 23843798 and 23843807.

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, 8967 + ... + 11317.

It is an arithmetic number, because the mean of its divisors is an integer number (2444904).

Almost surely, 2^23843842 is an apocalyptic number.

23843842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23843842 is a deficient number, since it is larger than the sum of its proper divisors (15274622).

23843842 is a wasteful number, since it uses less digits than its factorization.

23843842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its digits is 36864, while the sum is 34.

The square root of 23843842 is about 4883.0156665733. The cubic root of 23843842 is about 287.8229444778.

It can be divided in two parts, 2384 and 3842, that added together give a palindrome (6226).

The spelling of 23843842 in words is "twenty-three million, eight hundred forty-three thousand, eight hundred forty-two".