223145636065 has 8 divisors (see below), whose sum is σ = 292117923648. Its totient is φ = 162287735280.

The previous prime is 223145636053. The next prime is 223145636099. The reversal of 223145636065 is 560636541322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223145636065 - 2²¹ = 223143538913 is a prime.

It is a super-3 number, since 3×223145636065³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2028596637 + ... + 2028596746.

It is an arithmetic number, because the mean of its divisors is an integer number (36514740456).

Almost surely, 2^223145636065 is an apocalyptic number.

It is an amenable number.

223145636065 is a deficient number, since it is larger than the sum of its proper divisors (68972287583).

223145636065 is a wasteful number, since it uses less digits than its factorization.

223145636065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057193399.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 223145636065 in words is "two hundred twenty-three billion, one hundred forty-five million, six hundred thirty-six thousand, sixty-five".