65423311 has 4 divisors (see below), whose sum is σ = 65450592. Its totient is φ = 65396032.

The previous prime is 65423291. The next prime is 65423377. The reversal of 65423311 is 11332456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65423311 - 2¹¹ = 65421263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65423381) 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 in 3 ways as a sum of consecutive naturals, for example, 9655 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (16362648).

Almost surely, 2^65423311 is an apocalyptic number.

65423311 is a deficient number, since it is larger than the sum of its proper divisors (27281).

65423311 is a wasteful number, since it uses less digits than its factorization.

65423311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27280.

The product of its digits is 2160, while the sum is 25.

The square root of 65423311 is about 8088.4677782631. The cubic root of 65423311 is about 402.9435173813.

Adding to 65423311 its reverse (11332456), we get a palindrome (76755767).

The spelling of 65423311 in words is "sixty-five million, four hundred twenty-three thousand, three hundred eleven".