65450223 has 12 divisors (see below), whose sum is σ = 95951128. Its totient is φ = 42981840.

The previous prime is 65450219. The next prime is 65450233. The reversal of 65450223 is 32205456.

65450223 is a `hidden beast` number, since 654 + 5 + 0 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 65450223 - 2² = 65450219 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 (65450213) 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 11 ways as a sum of consecutive naturals, for example, 53668 + ... + 54873.

Almost surely, 2^65450223 is an apocalyptic number.

65450223 is a deficient number, since it is larger than the sum of its proper divisors (30500905).

65450223 is a wasteful number, since it uses less digits than its factorization.

65450223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108614 (or 108611 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 65450223 is about 8090.1312103080. The cubic root of 65450223 is about 402.9987603276.

Adding to 65450223 its reverse (32205456), we get a palindrome (97655679).

The spelling of 65450223 in words is "sixty-five million, four hundred fifty thousand, two hundred twenty-three".