23198085092 has 72 divisors (see below), whose sum is σ = 51616785024. Its totient is φ = 9040223808.

The previous prime is 23198085061. The next prime is 23198085109. The reversal of 23198085092 is 29058089132.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102773 + ... + 238659.

It is an arithmetic number, because the mean of its divisors is an integer number (716899792).

Almost surely, 2^23198085092 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 23198085092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25808392512).

23198085092 is an abundant number, since it is smaller than the sum of its proper divisors (28418699932).

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

23198085092 is a wasteful number, since it uses less digits than its factorization.

23198085092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135985 (or 135976 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 23198085092 in words is "twenty-three billion, one hundred ninety-eight million, eighty-five thousand, ninety-two".