23089478832 has 720 divisors, whose sum is σ = 84722077440. Its totient is φ = 5728859136.

The previous prime is 23089478831. The next prime is 23089478837. The reversal of 23089478832 is 23887498032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089478831) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 435650518 + ... + 435650570.

It is an arithmetic number, because the mean of its divisors is an integer number (117669552).

Almost surely, 2^23089478832 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 23089478832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42361038720).

23089478832 is an abundant number, since it is smaller than the sum of its proper divisors (61632598608).

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

23089478832 is a wasteful number, since it uses less digits than its factorization.

23089478832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 23089478832 in words is "twenty-three billion, eighty-nine million, four hundred seventy-eight thousand, eight hundred thirty-two".