65870223 has 16 divisors (see below), whose sum is σ = 96202080. Its totient is φ = 39904256.

The previous prime is 65870221. The next prime is 65870237. The reversal of 65870223 is 32207856.

It is a cyclic number.

It is not a de Polignac number, because 65870223 - 2¹ = 65870221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65870221) 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, 20790 + ... + 23747.

It is an arithmetic number, because the mean of its divisors is an integer number (6012630).

Almost surely, 2^65870223 is an apocalyptic number.

65870223 is a deficient number, since it is larger than the sum of its proper divisors (30331857).

65870223 is a wasteful number, since it uses less digits than its factorization.

65870223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44586.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 65870223 is about 8116.0472522035. The cubic root of 65870223 is about 403.8589494693.

The spelling of 65870223 in words is "sixty-five million, eight hundred seventy thousand, two hundred twenty-three".