23100065 has 8 divisors (see below), whose sum is σ = 28006440. Its totient is φ = 18289152.

The previous prime is 23100061. The next prime is 23100083. The reversal of 23100065 is 56000132.

It can be written as a sum of positive squares in 4 ways, for example, as 1132096 + 21967969 = 1064^2 + 4687^2 .

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 23100065 - 2² = 23100061 is a prime.

It is a super-2 number, since 2×23100065² = 1067226006008450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23100061) 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, 23330 + ... + 24299.

It is an arithmetic number, because the mean of its divisors is an integer number (3500805).

Almost surely, 2^23100065 is an apocalyptic number.

It is an amenable number.

23100065 is a deficient number, since it is larger than the sum of its proper divisors (4906375).

23100065 is an equidigital number, since it uses as much as digits as its factorization.

23100065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47731.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 23100065 is about 4806.2526983087. The cubic root of 23100065 is about 284.7985238595.

Adding to 23100065 its reverse (56000132), we get a palindrome (79100197).

The spelling of 23100065 in words is "twenty-three million, one hundred thousand, sixty-five".