23613911 has 2 divisors, whose sum is σ = 23613912. Its totient is φ = 23613910.

The previous prime is 23613857. The next prime is 23613959. The reversal of 23613911 is 11931632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23613911 - 2¹⁰ = 23612887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23613311) 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, 11806955 + 11806956.

It is an arithmetic number, because the mean of its divisors is an integer number (11806956).

Almost surely, 2^23613911 is an apocalyptic number.

23613911 is a deficient number, since it is larger than the sum of its proper divisors (1).

23613911 is an equidigital number, since it uses as much as digits as its factorization.

23613911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 23613911 is about 4859.4146766869. The cubic root of 23613911 is about 286.8947762230.

The spelling of 23613911 in words is "twenty-three million, six hundred thirteen thousand, nine hundred eleven".