23113219 has 2 divisors, whose sum is σ = 23113220. Its totient is φ = 23113218.

The previous prime is 23113201. The next prime is 23113241. The reversal of 23113219 is 91231132.

It is an a-pointer prime, because the next prime (23113241) can be obtained adding 23113219 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23113219 - 2¹⁹ = 22588931 is a prime.

It is a super-2 number, since 2×23113219² = 1068441785083922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23113219.

It is not a weakly prime, because it can be changed into another prime (23113249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556609 + 11556610.

It is an arithmetic number, because the mean of its divisors is an integer number (11556610).

Almost surely, 2^23113219 is an apocalyptic number.

23113219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113219 is an equidigital number, since it uses as much as digits as its factorization.

23113219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 22.

The square root of 23113219 is about 4807.6209293163. The cubic root of 23113219 is about 284.8525717439.

It can be divided in two parts, 23113 and 219, that added together give a palindrome (23332).

The spelling of 23113219 in words is "twenty-three million, one hundred thirteen thousand, two hundred nineteen".