23001211 has 2 divisors, whose sum is σ = 23001212. Its totient is φ = 23001210.

The previous prime is 23001193. The next prime is 23001227. The reversal of 23001211 is 11210032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23001211 - 2⁵ = 23001179 is a prime.

It is not a weakly prime, because it can be changed into another prime (23001241) 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 as a sum of consecutive naturals, namely, 11500605 + 11500606.

It is an arithmetic number, because the mean of its divisors is an integer number (11500606).

Almost surely, 2^23001211 is an apocalyptic number.

23001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001211 is an equidigital number, since it uses as much as digits as its factorization.

23001211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 23001211 is about 4795.9577771286. The cubic root of 23001211 is about 284.3916890902.

Adding to 23001211 its reverse (11210032), we get a palindrome (34211243).

The spelling of 23001211 in words is "twenty-three million, one thousand, two hundred eleven".