65123341600 has 72 divisors (see below), whose sum is σ = 168334296228. Its totient is φ = 24517017600.

The previous prime is 65123341597. The next prime is 65123341637. The reversal of 65123341600 is 614332156.

It can be written as a sum of positive squares in 6 ways, for example, as 14924042896 + 50199298704 = 122164^2 + 224052^2 .

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 11 ways as a sum of consecutive naturals, for example, 2380641 + ... + 2407840.

Almost surely, 2^65123341600 is an apocalyptic number.

It is an amenable number.

65123341600 is an abundant number, since it is smaller than the sum of its proper divisors (103210954628).

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

65123341600 is a wasteful number, since it uses less digits than its factorization.

65123341600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788518 (or 4788505 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 65123341600 its reverse (614332156), we get a palindrome (65737673756).

The spelling of 65123341600 in words is "sixty-five billion, one hundred twenty-three million, three hundred forty-one thousand, six hundred".