23864119 has 2 divisors, whose sum is σ = 23864120. Its totient is φ = 23864118.

The previous prime is 23864117. The next prime is 23864123. The reversal of 23864119 is 91146832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23864119 - 2¹ = 23864117 is a prime.

It is a super-2 number, since 2×23864119² = 1138992351292322, which contains 22 as substring.

Together with 23864117, 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 (23864111) 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, 11932059 + 11932060.

It is an arithmetic number, because the mean of its divisors is an integer number (11932060).

Almost surely, 2^23864119 is an apocalyptic number.

23864119 is a deficient number, since it is larger than the sum of its proper divisors (1).

23864119 is an equidigital number, since it uses as much as digits as its factorization.

23864119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 23864119 is about 4885.0915037489. The cubic root of 23864119 is about 287.9045103632.

The spelling of 23864119 in words is "twenty-three million, eight hundred sixty-four thousand, one hundred nineteen".