65123960830 has 32 divisors (see below), whose sum is σ = 121061760768. Its totient is φ = 25197350400.

The previous prime is 65123960771. The next prime is 65123960851. The reversal of 65123960830 is 3806932156.

It is a super-2 number, since 2×65123960830² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621304 + ... + 718516.

It is an arithmetic number, because the mean of its divisors is an integer number (3783180024).

Almost surely, 2^65123960830 is an apocalyptic number.

65123960830 is a deficient number, since it is larger than the sum of its proper divisors (55937799938).

65123960830 is a wasteful number, since it uses less digits than its factorization.

65123960830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99412.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 65123960830 in words is "sixty-five billion, one hundred twenty-three million, nine hundred sixty thousand, eight hundred thirty".