23650650198 has 192 divisors, whose sum is σ = 61647505920. Its totient is φ = 6410880000.

The previous prime is 23650650167. The next prime is 23650650217. The reversal of 23650650198 is 89105605632.

23650650198 is a `hidden beast` number, since 2 + 3 + 6 + 50 + 6 + 501 + 98 = 666.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 94225573 + ... + 94225823.

It is an arithmetic number, because the mean of its divisors is an integer number (321080760).

Almost surely, 2^23650650198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23650650198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30823752960).

23650650198 is an abundant number, since it is smaller than the sum of its proper divisors (37996855722).

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

23650650198 is a wasteful number, since it uses less digits than its factorization.

23650650198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 23650650198 in words is "twenty-three billion, six hundred fifty million, six hundred fifty thousand, one hundred ninety-eight".