65123632 has 40 divisors (see below), whose sum is σ = 144601856. Its totient is φ = 27832896.

The previous prime is 65123609. The next prime is 65123671. The reversal of 65123632 is 23632156.

65123632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 65123632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60733 + ... + 61795.

Almost surely, 2^65123632 is an apocalyptic number.

It is an amenable number.

65123632 is an abundant number, since it is smaller than the sum of its proper divisors (79478224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65123632 is a wasteful number, since it uses less digits than its factorization.

65123632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1619 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 65123632 is about 8069.9214370401. The cubic root of 65123632 is about 402.3273325457.

Adding to 65123632 its reverse (23632156), we get a palindrome (88755788).

The spelling of 65123632 in words is "sixty-five million, one hundred twenty-three thousand, six hundred thirty-two".