23107219 has 2 divisors, whose sum is σ = 23107220. Its totient is φ = 23107218.

The previous prime is 23107187. The next prime is 23107241. The reversal of 23107219 is 91270132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23107219 - 2⁵ = 23107187 is a prime.

It is a super-2 number, since 2×23107219² = 1067887139827922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23107193 and 23107202.

It is not a weakly prime, because it can be changed into another prime (23107319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11553609 + 11553610.

It is an arithmetic number, because the mean of its divisors is an integer number (11553610).

Almost surely, 2^23107219 is an apocalyptic number.

23107219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23107219 is an equidigital number, since it uses as much as digits as its factorization.

23107219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 23107219 is about 4806.9968795496. The cubic root of 23107219 is about 284.8279211556.

The spelling of 23107219 in words is "twenty-three million, one hundred seven thousand, two hundred nineteen".