23505242 has 8 divisors (see below), whose sum is σ = 37113600. Its totient is φ = 11134044.

The previous prime is 23505173. The next prime is 23505253. The reversal of 23505242 is 24250532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 309242 + ... + 309317.

It is an arithmetic number, because the mean of its divisors is an integer number (4639200).

Almost surely, 2^23505242 is an apocalyptic number.

23505242 is a deficient number, since it is larger than the sum of its proper divisors (13608358).

23505242 is a wasteful number, since it uses less digits than its factorization.

23505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618580.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 23505242 is about 4848.2204982859. The cubic root of 23505242 is about 286.4540118086.

Adding to 23505242 its reverse (24250532), we get a palindrome (47755774).

The spelling of 23505242 in words is "twenty-three million, five hundred five thousand, two hundred forty-two".