11898223 has 2 divisors, whose sum is σ = 11898224. Its totient is φ = 11898222.

The previous prime is 11898221. The next prime is 11898239. The reversal of 11898223 is 32289811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11898223 - 2¹ = 11898221 is a prime.

Together with 11898221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11898221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5949111 + 5949112.

It is an arithmetic number, because the mean of its divisors is an integer number (5949112).

Almost surely, 2^11898223 is an apocalyptic number.

11898223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11898223 is an equidigital number, since it uses as much as digits as its factorization.

11898223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 11898223 is about 3449.3800892334. The cubic root of 11898223 is about 228.2937567343.

It can be divided in two parts, 11898 and 223, that added together give a palindrome (12121).

The spelling of 11898223 in words is "eleven million, eight hundred ninety-eight thousand, two hundred twenty-three".