23055211 has 4 divisors (see below), whose sum is σ = 23279152. Its totient is φ = 22831272.

The previous prime is 23055187. The next prime is 23055229. The reversal of 23055211 is 11255032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23055211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23055511) 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, 111816 + ... + 112021.

It is an arithmetic number, because the mean of its divisors is an integer number (5819788).

Almost surely, 2^23055211 is an apocalyptic number.

23055211 is a deficient number, since it is larger than the sum of its proper divisors (223941).

23055211 is a wasteful number, since it uses less digits than its factorization.

23055211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223940.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 23055211 is about 4801.5842177348. The cubic root of 23055211 is about 284.6140708430.

The spelling of 23055211 in words is "twenty-three million, fifty-five thousand, two hundred eleven".