65428706223 has 48 divisors (see below), whose sum is σ = 103832033760. Its totient is φ = 39554611200.

The previous prime is 65428706221. The next prime is 65428706249. The reversal of 65428706223 is 32260782456.

65428706223 is a `hidden beast` number, since 6 + 542 + 87 + 0 + 6 + 2 + 23 = 666.

It is not a de Polignac number, because 65428706223 - 2¹ = 65428706221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65428706221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283543 + ... + 459623.

It is an arithmetic number, because the mean of its divisors is an integer number (2163167370).

Almost surely, 2^65428706223 is an apocalyptic number.

65428706223 is a deficient number, since it is larger than the sum of its proper divisors (38403327537).

65428706223 is a wasteful number, since it uses less digits than its factorization.

65428706223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176200 (or 176197 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 65428706223 in words is "sixty-five billion, four hundred twenty-eight million, seven hundred six thousand, two hundred twenty-three".