65628210023 has 16 divisors (see below), whose sum is σ = 71422448640. Its totient is φ = 60074265600.

The previous prime is 65628210001. The next prime is 65628210047. The reversal of 65628210023 is 32001282656.

It is a cyclic number.

It is not a de Polignac number, because 65628210023 - 2⁸ = 65628209767 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 (65628210623) 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, 290636 + ... + 464462.

It is an arithmetic number, because the mean of its divisors is an integer number (4463903040).

Almost surely, 2^65628210023 is an apocalyptic number.

65628210023 is a deficient number, since it is larger than the sum of its proper divisors (5794238617).

65628210023 is a wasteful number, since it uses less digits than its factorization.

65628210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174518.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 65628210023 its reverse (32001282656), we get a palindrome (97629492679).

The spelling of 65628210023 in words is "sixty-five billion, six hundred twenty-eight million, two hundred ten thousand, twenty-three".