23111119 has 2 divisors, whose sum is σ = 23111120. Its totient is φ = 23111118.

The previous prime is 23111107. The next prime is 23111149. The reversal of 23111119 is 91111132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23111119 - 2⁷ = 23110991 is a prime.

It is a super-2 number, since 2×23111119² = 1068247642864322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23111096 and 23111105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23111149) 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, 11555559 + 11555560.

It is an arithmetic number, because the mean of its divisors is an integer number (11555560).

Almost surely, 2^23111119 is an apocalyptic number.

23111119 is a deficient number, since it is larger than the sum of its proper divisors (1).

23111119 is an equidigital number, since it uses as much as digits as its factorization.

23111119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 19.

The square root of 23111119 is about 4807.4025211126. The cubic root of 23111119 is about 284.8439445233.

The spelling of 23111119 in words is "twenty-three million, one hundred eleven thousand, one hundred nineteen".