65233823 has 2 divisors, whose sum is σ = 65233824. Its totient is φ = 65233822.

The previous prime is 65233799. The next prime is 65233837. The reversal of 65233823 is 32833256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65233823 - 2⁶ = 65233759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65233823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65233843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32616911 + 32616912.

It is an arithmetic number, because the mean of its divisors is an integer number (32616912).

Almost surely, 2^65233823 is an apocalyptic number.

65233823 is a deficient number, since it is larger than the sum of its proper divisors (1).

65233823 is an equidigital number, since it uses as much as digits as its factorization.

65233823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 65233823 is about 8076.7458174688. The cubic root of 65233823 is about 402.5541210354.

The spelling of 65233823 in words is "sixty-five million, two hundred thirty-three thousand, eight hundred twenty-three".