23855311 has 2 divisors, whose sum is σ = 23855312. Its totient is φ = 23855310.

The previous prime is 23855297. The next prime is 23855323. The reversal of 23855311 is 11355832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23855311 - 2⁹ = 23854799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23855311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23855011) 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, 11927655 + 11927656.

It is an arithmetic number, because the mean of its divisors is an integer number (11927656).

Almost surely, 2^23855311 is an apocalyptic number.

23855311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23855311 is an equidigital number, since it uses as much as digits as its factorization.

23855311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 23855311 is about 4884.1899021230. The cubic root of 23855311 is about 287.8690851434.

The spelling of 23855311 in words is "twenty-three million, eight hundred fifty-five thousand, three hundred eleven".