65617103223 has 12 divisors (see below), whose sum is σ = 108320297488. Its totient is φ = 37495487520.

The previous prime is 65617103179. The next prime is 65617103243. The reversal of 65617103223 is 32230171656.

65617103223 is a `hidden beast` number, since 6 + 5 + 617 + 1 + 0 + 32 + 2 + 3 = 666.

It is not a de Polignac number, because 65617103223 - 2⁶ = 65617103159 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 (65617103243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520770598 + ... + 520770723.

Almost surely, 2^65617103223 is an apocalyptic number.

65617103223 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

65617103223 is a deficient number, since it is larger than the sum of its proper divisors (42703194265).

65617103223 is a wasteful number, since it uses less digits than its factorization.

65617103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041541334 (or 1041541331 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 65617103223 its reverse (32230171656), we get a palindrome (97847274879).

The spelling of 65617103223 in words is "sixty-five billion, six hundred seventeen million, one hundred three thousand, two hundred twenty-three".