23835042 has 96 divisors (see below), whose sum is σ = 66718080. Its totient is φ = 5967360.

The previous prime is 23835041. The next prime is 23835113. The reversal of 23835042 is 24053832.

It is a junction number, because it is equal to n+sod(n) for n = 23834997 and 23835015.

It is not an unprimeable number, because it can be changed into a prime (23835041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39898 + ... + 40490.

It is an arithmetic number, because the mean of its divisors is an integer number (694980).

Almost surely, 2^23835042 is an apocalyptic number.

23835042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23835042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33359040).

23835042 is an abundant number, since it is smaller than the sum of its proper divisors (42883038).

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

23835042 is a wasteful number, since it uses less digits than its factorization.

23835042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 23835042 is about 4882.1145009104. The cubic root of 23835042 is about 287.7875313710.

Adding to 23835042 its reverse (24053832), we get a palindrome (47888874).

The spelling of 23835042 in words is "twenty-three million, eight hundred thirty-five thousand, forty-two".