65038345223 has 16 divisors (see below), whose sum is σ = 67182151680. Its totient is φ = 62922897600.

The previous prime is 65038345199. The next prime is 65038345249. The reversal of 65038345223 is 32254383056.

It is a cyclic number.

It is not a de Polignac number, because 65038345223 - 2¹⁰ = 65038344199 is a prime.

It is a super-3 number, since 3×65038345223³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65038345283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2940038 + ... + 2962076.

It is an arithmetic number, because the mean of its divisors is an integer number (4198884480).

Almost surely, 2^65038345223 is an apocalyptic number.

65038345223 is a deficient number, since it is larger than the sum of its proper divisors (2143806457).

65038345223 is a wasteful number, since it uses less digits than its factorization.

65038345223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22678.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 65038345223 in words is "sixty-five billion, thirty-eight million, three hundred forty-five thousand, two hundred twenty-three".