23021227 has 2 divisors, whose sum is σ = 23021228. Its totient is φ = 23021226.

The previous prime is 23021203. The next prime is 23021237. The reversal of 23021227 is 72212032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23021227 - 2¹¹ = 23019179 is a prime.

It is not a weakly prime, because it can be changed into another prime (23021237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510613 + 11510614.

It is an arithmetic number, because the mean of its divisors is an integer number (11510614).

Almost surely, 2^23021227 is an apocalyptic number.

23021227 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021227 is an equidigital number, since it uses as much as digits as its factorization.

23021227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 23021227 is about 4798.0440806645. The cubic root of 23021227 is about 284.4741591486.

Adding to 23021227 its reverse (72212032), we get a palindrome (95233259).

The spelling of 23021227 in words is "twenty-three million, twenty-one thousand, two hundred twenty-seven".