23105306 has 8 divisors (see below), whose sum is σ = 39609120. Its totient is φ = 9902268.

The previous prime is 23105287. The next prime is 23105309. The reversal of 23105306 is 60350132.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23105309) 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 3 ways as a sum of consecutive naturals, for example, 825176 + ... + 825203.

It is an arithmetic number, because the mean of its divisors is an integer number (4951140).

Almost surely, 2^23105306 is an apocalyptic number.

23105306 is a deficient number, since it is larger than the sum of its proper divisors (16503814).

23105306 is a wasteful number, since it uses less digits than its factorization.

23105306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650388.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 23105306 is about 4806.7978946488. The cubic root of 23105306 is about 284.8200608292.

Adding to 23105306 its reverse (60350132), we get a palindrome (83455438).

The spelling of 23105306 in words is "twenty-three million, one hundred five thousand, three hundred six".