23015227 has 4 divisors (see below), whose sum is σ = 23576616. Its totient is φ = 22453840.

The previous prime is 23015207. The next prime is 23015233. The reversal of 23015227 is 72251032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23015227 - 2¹⁵ = 22982459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23015198 and 23015207.

It is not an unprimeable number, because it can be changed into a prime (23015207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280633 + ... + 280714.

It is an arithmetic number, because the mean of its divisors is an integer number (5894154).

Almost surely, 2^23015227 is an apocalyptic number.

23015227 is a deficient number, since it is larger than the sum of its proper divisors (561389).

23015227 is an equidigital number, since it uses as much as digits as its factorization.

23015227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561388.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 23015227 is about 4797.4187851385. The cubic root of 23015227 is about 284.4494429268.

Adding to 23015227 its reverse (72251032), we get a palindrome (95266259).

The spelling of 23015227 in words is "twenty-three million, fifteen thousand, two hundred twenty-seven".