23101219 has 2 divisors, whose sum is σ = 23101220. Its totient is φ = 23101218.

The previous prime is 23101217. The next prime is 23101279. The reversal of 23101219 is 91210132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23101219 - 2¹ = 23101217 is a prime.

It is a super-2 number, since 2×23101219² = 1067332638571922, which contains 22 as substring.

Together with 23101217, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23101196 and 23101205.

It is not a weakly prime, because it can be changed into another prime (23101213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550609 + 11550610.

It is an arithmetic number, because the mean of its divisors is an integer number (11550610).

Almost surely, 2^23101219 is an apocalyptic number.

23101219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101219 is an equidigital number, since it uses as much as digits as its factorization.

23101219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 23101219 is about 4806.3727487576. The cubic root of 23101219 is about 284.8032662996.

The spelling of 23101219 in words is "twenty-three million, one hundred one thousand, two hundred nineteen".