65123353350 has 384 divisors, whose sum is σ = 200558592000. Its totient is φ = 15405264000.

The previous prime is 65123353333. The next prime is 65123353387. The reversal of 65123353350 is 5335332156.

65123353350 is a `hidden beast` number, since 6 + 51 + 23 + 3 + 533 + 50 = 666.

It is a congruent number.

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 191 ways as a sum of consecutive naturals, for example, 209399695 + ... + 209400005.

It is an arithmetic number, because the mean of its divisors is an integer number (522288000).

Almost surely, 2^65123353350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65123353350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100279296000).

65123353350 is an abundant number, since it is smaller than the sum of its proper divisors (135435238650).

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

65123353350 is a wasteful number, since it uses less digits than its factorization.

65123353350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

The spelling of 65123353350 in words is "sixty-five billion, one hundred twenty-three million, three hundred fifty-three thousand, three hundred fifty".