65230000000 has 256 divisors, whose sum is σ = 177503451840. Its totient is φ = 23680000000.

The previous prime is 65229999983. The next prime is 65230000007. The reversal of 65230000000 is 3256.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65230000007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109999704 + ... + 110000296.

Almost surely, 2^65230000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65230000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88751725920).

65230000000 is an abundant number, since it is smaller than the sum of its proper divisors (112273451840).

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

65230000000 is an frugal number, since it uses more digits than its factorization.

65230000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 65230000000 its reverse (3256), we get a palindrome (65230003256).

The spelling of 65230000000 in words is "sixty-five billion, two hundred thirty million", and thus it is an aban number.