23897849000 has 64 divisors (see below), whose sum is σ = 56155507200. Its totient is φ = 9519048000.

The previous prime is 23897848967. The next prime is 23897849029. The reversal of 23897849000 is 94879832.

It is a happy number.

It is a super-2 number, since 2×23897849000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 23897849000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189005 + ... + 288995.

It is an arithmetic number, because the mean of its divisors is an integer number (877429800).

Almost surely, 2^23897849000 is an apocalyptic number.

23897849000 is a gapful number since it is divisible by the number (20) 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 23897849000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28077753600).

23897849000 is an abundant number, since it is smaller than the sum of its proper divisors (32257658200).

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

23897849000 is a wasteful number, since it uses less digits than its factorization.

23897849000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100251 (or 100237 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 23897849000 in words is "twenty-three billion, eight hundred ninety-seven million, eight hundred forty-nine thousand".