23210105 has 8 divisors (see below), whose sum is σ = 29063232. Its totient is φ = 17760688.

The previous prime is 23210101. The next prime is 23210111. The reversal of 23210105 is 50101232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23210105 - 2² = 23210101 is a prime.

It is a super-2 number, since 2×23210105² = 1077417948222050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23210105.

It is not an unprimeable number, because it can be changed into a prime (23210101) 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 7 ways as a sum of consecutive naturals, for example, 100799 + ... + 101028.

It is an arithmetic number, because the mean of its divisors is an integer number (3632904).

Almost surely, 2^23210105 is an apocalyptic number.

It is an amenable number.

23210105 is a deficient number, since it is larger than the sum of its proper divisors (5853127).

23210105 is a wasteful number, since it uses less digits than its factorization.

23210105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201855.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 23210105 is about 4817.6866855369. The cubic root of 23210105 is about 285.2500319410.

Adding to 23210105 its reverse (50101232), we get a palindrome (73311337).

The spelling of 23210105 in words is "twenty-three million, two hundred ten thousand, one hundred five".