23826397536 has 120 divisors (see below), whose sum is σ = 70388708544. Its totient is φ = 7906325760.

The previous prime is 23826397523. The next prime is 23826397571. The reversal of 23826397536 is 63579362832.

It is a happy number.

23826397536 is a `hidden beast` number, since 23 + 82 + 6 + 3 + 9 + 7 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 557406 + ... + 598626.

Almost surely, 2^23826397536 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 23826397536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35194354272).

23826397536 is an abundant number, since it is smaller than the sum of its proper divisors (46562311008).

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

23826397536 is a wasteful number, since it uses less digits than its factorization.

23826397536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41466 (or 41449 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 23826397536 in words is "twenty-three billion, eight hundred twenty-six million, three hundred ninety-seven thousand, five hundred thirty-six".