23105642 has 16 divisors (see below), whose sum is σ = 39788160. Its totient is φ = 9857808.

The previous prime is 23105629. The next prime is 23105651. The reversal of 23105642 is 24650132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (2486760).

Almost surely, 2^23105642 is an apocalyptic number.

23105642 is a deficient number, since it is larger than the sum of its proper divisors (16682518).

23105642 is a wasteful number, since it uses less digits than its factorization.

23105642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23105642 is about 4806.8328450238. The cubic root of 23105642 is about 284.8214414511.

Adding to 23105642 its reverse (24650132), we get a palindrome (47755774).

The spelling of 23105642 in words is "twenty-three million, one hundred five thousand, six hundred forty-two".