65196823 has 2 divisors, whose sum is σ = 65196824. Its totient is φ = 65196822.

The previous prime is 65196787. The next prime is 65196827. The reversal of 65196823 is 32869156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65196823 - 2⁹ = 65196311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65196827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32598411 + 32598412.

It is an arithmetic number, because the mean of its divisors is an integer number (32598412).

Almost surely, 2^65196823 is an apocalyptic number.

65196823 is a deficient number, since it is larger than the sum of its proper divisors (1).

65196823 is an equidigital number, since it uses as much as digits as its factorization.

65196823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 65196823 is about 8074.4549661262. The cubic root of 65196823 is about 402.4779983601.

The spelling of 65196823 in words is "sixty-five million, one hundred ninety-six thousand, eight hundred twenty-three".