23833861 has 2 divisors, whose sum is σ = 23833862. Its totient is φ = 23833860.

The previous prime is 23833837. The next prime is 23833867. The reversal of 23833861 is 16833832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 649636 = 4815^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 23833861 - 2⁵ = 23833829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23833867) 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, 11916930 + 11916931.

It is an arithmetic number, because the mean of its divisors is an integer number (11916931).

Almost surely, 2^23833861 is an apocalyptic number.

It is an amenable number.

23833861 is a deficient number, since it is larger than the sum of its proper divisors (1).

23833861 is an equidigital number, since it uses as much as digits as its factorization.

23833861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 23833861 is about 4881.9935477221. The cubic root of 23833861 is about 287.7827781077.

The spelling of 23833861 in words is "twenty-three million, eight hundred thirty-three thousand, eight hundred sixty-one".