23120211 has 8 divisors (see below), whose sum is σ = 30849280. Its totient is φ = 15402312.

The previous prime is 23120191. The next prime is 23120249. The reversal of 23120211 is 11202132.

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

It is not a de Polignac number, because 23120211 - 2⁵ = 23120179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120311) 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, 5970 + ... + 9048.

It is an arithmetic number, because the mean of its divisors is an integer number (3856160).

Almost surely, 2^23120211 is an apocalyptic number.

23120211 is a deficient number, since it is larger than the sum of its proper divisors (7729069).

23120211 is a wasteful number, since it uses less digits than its factorization.

23120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 23120211 is about 4808.3480531259. The cubic root of 23120211 is about 284.8812925145.

Adding to 23120211 its reverse (11202132), we get a palindrome (34322343).

It can be divided in two parts, 2 and 3120211, that added together give a palindrome (3120213).

The spelling of 23120211 in words is "twenty-three million, one hundred twenty thousand, two hundred eleven".