23260899636 has 72 divisors (see below), whose sum is σ = 63404661320. Its totient is φ = 7147782144.

The previous prime is 23260899619. The next prime is 23260899661. The reversal of 23260899636 is 63699806232.

23260899636 is a `hidden beast` number, since 23 + 2 + 608 + 9 + 9 + 6 + 3 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 627502500 + 22633397136 = 25050^2 + 150444^2 .

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 23 ways as a sum of consecutive naturals, for example, 327576 + ... + 392208.

Almost surely, 2^23260899636 is an apocalyptic number.

23260899636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23260899636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31702330660).

23260899636 is an abundant number, since it is smaller than the sum of its proper divisors (40143761684).

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

23260899636 is a wasteful number, since it uses less digits than its factorization.

23260899636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65425 (or 65420 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 23260899636 in words is "twenty-three billion, two hundred sixty million, eight hundred ninety-nine thousand, six hundred thirty-six".